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The Explosive Growth of 3D Printing

MojoKid writes "If you've ever attended a World Maker Faire, the first thing that strikes you is how organic the whole scene is. Inventors, creators, and engineers from all walks of life have their gadgets, science projects, and creations on display for all to see. Some of the creations you see on display range from downright amazing to completely bizarre. One of the big attractions, a technology area that has experienced explosive growth, is the land of 3D Printing. MakerBot took the open source RepRap 3D replicator project mainstream back in 2009 with the release of the Cup Cake CNC machine, then came the Thing-o-Matic and then a little bot called Replicator. With each iteration, improvements in process and technology are bringing better, more capable 3D printers to market, from MakerBot's new Replicator 2, to new players in the field like Solidoodle, Up!3D, Ultimaker, and Tinkerines. To watch a 3D printer in action is like witnessing art, science and engineering all working together in glorious unison."

213 comments

  1. Guns by tsa · · Score: 3, Insightful

    Pity that there is now a bunch of lunatics trying to make printable guns. The world will not be a better place when everyone and their dog can download and print their own guns.

    --

    -- Cheers!

    1. Re:Guns by Anonymous Coward · · Score: 0

      When 3D printers can print rifled steel I'll start worrying about it.

    2. Re:Guns by stevegee58 · · Score: 3, Interesting

      It's OK. Currently the only part of an AR-15 that's considered a "firearm" is the lower receiver and this part can be made entirely of plastic, hence the 3D printer interest. You can buy the rest of the parts such as triggers, barrels, etc completely off the books with no controls.

      If the 3D printing of lower receivers become a real "problem" to the ATF they'll just change the definition of which part of a gun is the "firearm". For instance, you can't 3D print a barrel since it has to be made of steel.

    3. Re:Guns by fustakrakich · · Score: 0

      Lunatics vote for lunatics (some you of you call them republicans). We need a law to prohibit that.

      --
      “He’s not deformed, he’s just drunk!”
    4. Re:Guns by WillAdams · · Score: 1

      Firearms designs need not have rifled steel barrels (though not having rifling does complicate the legality --- a smoothbore has to be a long-arm).

      Look up P.A. Luty's _Expedient Homemade Firearms: The 9mm Submachine Gun_ which uses BSP and other components readily available at any hardware store.

      --
      Sphinx of black quartz, judge my vow.
    5. Re:Guns by fuzzyfuzzyfungus · · Score: 4, Insightful

      Unless the technology improves substantially, 3d printed guns are going to succeed largely in stimulating the market for guns that you can operate with multiple missing fingers...

    6. Re:Guns by vlm · · Score: 4, Interesting

      When 3D printers can print rifled steel I'll start worrying about it.

      Oh plastic would work, once, for a single shot application. Start worrying when you can print out copper jacketed lead crimped onto a brass case full of smokeless powder, in other words pretty much never.

      Another problem is in strength applications the printed plastic to handle a force of X pounds is, as a raw material, Y times the cost of steel. So to correct your post:

      "When 3D printers can print rifled plastic at less than 20x the cost of traditionally machined steel at the same strength I'll start worrying about it."

      Not to say its useless for gunsmithing. I think the idea of laser scanning a hand, and being able to print the exact "reverse polarity" image of the owners hand to make a truely personalized bolt-on handgrip is pretty interesting. Very soon, collectors will see boring cross hatching grips as an indicator of pre-2010's firearms. Perhaps grips with such detail that they match the wrinkles (or hair) of the owners palm. Also embedding logos (probably illegally copied, or course) and other art works.

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    7. Re:Guns by Anonymous Coward · · Score: 0

      Todays /. word of the day : Hoplophobia

      http://en.wikipedia.org/wiki/Hoplophobia

      I'd be a lot less "rationally afraid" of the people who bear these weapons I'm "irrationally afraid" of, if they weren't bearing weapons.

    8. Re:Guns by cvtan · · Score: 1

      I got my initials CVS long before there was a CVS pharmacy... I still got emails from CVS pharmacy customers asking about their film that was sent for developing.

      --
      Sorry, but gray text on gray background is making my eyes bleed.
    9. Re:Guns by Abreu · · Score: 2, Informative

      Fear of armed people is completely rational.

      In my country, over 60,000 people have been killed by drug violence, most of it related to the USA's voracious appetite for illegal drugs and the laughably easy it is to buy military-grade firearms and smuggle them across the border.

      So yeah, fuck guns and fuck drugs.

      http://www.fpif.org/articles/arms_trafficking_at_the_us-mexico_border

      --
      No sig for the moment.
    10. Re:Guns by drinkypoo · · Score: 1

      Boring cross-hatched grips work with or without gloves on. Most modern guns seem to be getting interchangeable grips already, though, at least back strap plates.

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    11. Re:Guns by Anonymous Coward · · Score: 0

      You will never 'print' a gun that is any good. To make a gun worth anything you need a forge and decent metal. You can *today* make a gun at any hardware store that would be just as good as what you would get out of a printer.

      To do anything else is putting a explosive thing in your hands and hoping it does not blow up in your face.

    12. Re:Guns by Anonymous Coward · · Score: 1

      They already can. Metal-printers are not cheap though.

    13. Re:Guns by WillAdams · · Score: 2, Insightful

      Perhaps if your citizens were better armed, stories like this would turn out better:

      http://www.borderlandbeat.com/2010/11/mexican-marines-reconstruct-death-of.html

      ``Bad men need nothing more to compass their ends, than that good men should look on and do nothing.''
      --- John Stuart Mills

      If your government doesn't trust your honest citizens w/ military grade weaponry, then you've only yourselves to blame.

      --
      Sphinx of black quartz, judge my vow.
    14. Re:Guns by crazyjj · · Score: 1

      Firearms designs need not have rifled steel barrels

      Good luck building a firing pin and shotgun barrel from cheap plastic too. Let me know how it goes the first (and last) time you fire it.

      --
      What political party do you join when you don't like Bible-thumpers *or* hippies?
    15. Re:Guns by Anonymous Coward · · Score: 3, Insightful

      So would someone looking to start a shooting spree. They don't choose locations with armed citizens, you know.

    16. Re:Guns by DrXym · · Score: 1

      Pity that there is now a bunch of lunatics trying to make printable guns. The world will not be a better place when everyone and their dog can download and print their own guns.

      More likely they're making plastic stocks and receiver housing and the other peripheral stuff which holds the important bits together. The barrel, receiver, firing pin, magazine, springs, screws and other metal parts of a gun, plus the ammunition would have to be manufactured some other way for the time being. Of course some enterprising fellow who has watched In the Line of Fire might get the bright idea to make the whole gun out of plastic. Maybe it would work but its as likely to blow their hand off, or decorate their face with shards of plastic.

    17. Re:Guns by Bob-taro · · Score: 3, Insightful

      Pity that there is now a bunch of lunatics trying to make printable guns. The world will not be a better place when everyone and their dog can download and print their own guns.

      Are you implying you'd have to be a lunatic to want to make a gun?

      --
      Prov 9:8 Do not rebuke mockers or they will hate you; rebuke the wise and they will love you.
    18. Re:Guns by vlm · · Score: 3, Insightful

      They already can. Metal-printers are not cheap though.

      Also strength difference between sintered "technically a metal, but barely" vs (metalurgically) forged and heat treated specific alloy is a whole nother thing.

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    19. Re:Guns by UBfusion · · Score: 1

      I modded +1 Insightful and it turned out 2, Flamebait, which is totally insane with regard to this post. So I have to post to undo.

      The possibility of easily making guns, even from soap (as is done in prisons), is very, very frightening. And don't tell me that it's better to have kids attempt to steal a bubble gum with a plastic gun than actually using a real one!

      It won't be long until we read that a kid was suspended from school for life because a plastic printed gun was found in his locker.

    20. Re:Guns by Grimbleton · · Score: 1

      The more guns the merrier.

    21. Re:Guns by Schnoogs · · Score: 1, Insightful

      You're right...making them illegal would solve the problem...look at drugs....anyone who claims to have ever used drugs is a liar...you know....since they are illegal...and therefore not existent in society and not a problem.

    22. Re:Guns by Anonymous Coward · · Score: 0

      Of all the wacky stuff in the world to worry about, I find it funny that anyone is concerned about the distant future of printing firearms.

      We're nowhere close in plastic printers. One guy made a lower receiver only, which could have otherwise been made out of pottery, that kind of worked for a few rounds of .22lr when combined with all the actual business parts of a firearm, and everyone flipped their shit.

      Worry about economic collapse. Worry about being murdered in broad daylight in cities with ultra-strict gun control. Worry about Iranians making nukes. Hell, worry about Romney chaining you to a desk in a sweatshop.

      Because all of those are more immediate threats than six year olds printing working firearms off the internet with their parents desktop CNC, which is closer than a 3d printer that can do it.

    23. Re:Guns by WillAdams · · Score: 3, Informative

      For the record:

        - Iran ranks 79th in the rate of private firearms ownership
        - The rate of private gun ownership in Iran is 7.32 firearms per 100 people
        - In Iran, only licensed gun owners (separate licenses required for owning, possessing, carrying and using a firearm) may lawfully acquire, possess or transfer a firearm or ammunition
        - In Iran, the law requires that a record of the acquisition, possession and transfer of each privately held firearm be retained in an official register

      --
      Sphinx of black quartz, judge my vow.
    24. Re:Guns by inotrollyou · · Score: 1

      That seems like a bit of a stretch. If you outlaw guns, only outlaws (and the government) will have them. If say, a robber enters a bank, it will prove problematic when they discover that all the legitimate bank patrons are also armed.

    25. Re:Guns by misexistentialist · · Score: 2

      Won't argue about it being the USA that created the dangerous black market for drugs, but the cartels have lots of entertaining ways to kill people. Maybe as a law-abiding citizen and therefore militia member you should question why your government has disarmed you and left you disenfranchised and defenseless.

    26. Re:Guns by Anonymous Coward · · Score: 0

      I'm all for laws that prohibit people from voting for people I don't like, because I'm a fucking moron.

    27. Re:Guns by jason777 · · Score: 1

      I disagree. The government should not be trying to limit or ban or regulate guns. With operations like Fast & Furious, the government is setting it up to take away our gun rights. It is inventions like 3d printing that keep the power back to the people.

    28. Re:Guns by Gavagai80 · · Score: 3, Funny

      Yeah, that's why nobody ever goes on a shooting spree at Fort Hood and if they tried nobody would die. Oh, wait...

      --
      This space intentionally left blank
    29. Re:Guns by Anonymous Coward · · Score: 0

      Technically a gun is already a device that prints lead

    30. Re:Guns by Anonymous Coward · · Score: 0

      who said anything about making them illegal?

    31. Re:Guns by Anonymous Coward · · Score: 0

      Fear of armed people is completely rational.

      In my country, over 60,000 people have been killed by drug violence, most of it related to the USA's voracious appetite for illegal drugs and the laughably easy it is to buy military-grade firearms and smuggle them across the border.

      So yeah, fuck guns and fuck drugs.

      http://www.fpif.org/articles/arms_trafficking_at_the_us-mexico_border

      Damn those drug-crazed yanquis, the root of all evil!

    32. Re:Guns by timeOday · · Score: 2

      Sorry shit for brains, the vast majority of firearms used by the cartels don't come from America

      Why do you think that? Have you looked at the evidence:

      Research has asserted that most weapons and arms trafficked into Mexico are from gun dealers in the United States.[132] In response to a 2009 GAO report that claimed 87% of Mexican crime guns traced to U.S. origins, the DHS pointed out that DHS officials believe that the 87 percent statistic is misleading (i.e.: out of approximately 30,000 weapons seized in Mexico, approximately 4,000 could be traced and 87 percent of those-3,480-originated in the United States).[133]

      So, there is some room for argument, but what is known does not look too good.

      those that do are given to YOUR military, where they are subsequently taken by the cartels.

      Again, why do you think that? It is well known that thousands of guns are bought by mules and illegally exported to Mexico all the time. (You don't honestly think that Fast-and-Furious was dreamt up for no reason? Or that illegal exports somehow stopped because the effort to trace the guns stopped?)

      That said, there is no real link to 3d Printing here. 3d printers can't make the crucial parts of a gun, and there is no shortage of factory-made guns.

    33. Re:Guns by Anonymous Coward · · Score: 0

      I come from an entire nation which suffers from Hoplophobia, the UK. Our police don't generally carry guns and neither do our criminals. It's a wonderful phobia and we have radically less gun crime than the US... Despite having plenty of crooks.

    34. Re:Guns by Radtastic · · Score: 2

      Oh plastic would work, once, for a single shot application. Start worrying when you can print out copper jacketed lead crimped onto a brass case full of smokeless powder, in other words pretty much never.

      It definitely won't be "never". This technology is still relatively speaking, in its infancy. There are bound to be exponential improvements in materials and bonding/adhesive materials.

      And the evolution of nanotech will probably make the home-manufacturing of a whole shell casing possible.

      --
      You stereotypers are all the same...
    35. Re:Guns by TheSwift · · Score: 3, Interesting
      http://www.foreignaffairs.com/articles/138154/neil-gershenfeld/how-to-make-almost-anything?page=show

      Within -- "An amateur gunsmith has already used a 3-D printer to make the lower receiver of a semiautomatic rifle, the AR-15. This heavily regulated part holds the bullets and carries the gun’s serial number. A German hacker made 3-D copies of tightly controlled police handcuff keys. Two of my own students, Will Langford and Matt Keeter, made master keys, without access to the originals, for luggage padlocks approved by the U.S. Transportation Security Administration."

      The lower receiver is heavily regulated because it is the piece that can convert a semiautomatic rifle to a full automatic if you are able to manipulate it properly. A 3D printer could circumvent what was previously an extremely difficult task to convert the receiver from semi-auto to full auto.

      And in the latter half of the paragraph, yet another reference to the TSA. How ironic.

      --
      "With patience a ruler may be persuaded, and a soft tongue will break a bone."
    36. Re:Guns by CubicleZombie · · Score: 1

      The world will not be a better place when everyone and their dog can download and print their own guns.

      The availability of steel pipe at the hardware store must make you very nervous.

      Troll.

      And you frist posted it, so 75% of the discussion will be about this bullshit.

      --
      :wq
    37. Re:Guns by Anonymous Coward · · Score: 0

      That's cool that the gun nuts are now inventing words to save time when making a strawman out of the arguments for gun control.

    38. Re:Guns by WillAdams · · Score: 2

      And historically, that worked out so well:

      http://twinbuttebunch.org/index.php?fuseaction=misc.sendguns

      Winston Churchill wrote in Their Finest Hour: "When the ships from America approached our shores with their priceless arms, special trains were waiting in all ports to receive their cargoes. The Home Guard in every county, in every village, sat up through the night to receive them. ... By the end of July we were an armed nation ... ."

      --
      Sphinx of black quartz, judge my vow.
    39. Re:Guns by Anonymous Coward · · Score: 1

      At Ft. Hood none of the soldiers were armed, except for the fellow with the gun.

    40. Re:Guns by AC-x · · Score: 1

      I disagree. The government should not be trying to limit or ban or regulate guns. With operations like Fast & Furious, the government is setting it up to take away our gun rights. It is inventions like 3d printing that keep the power back to the people

      Serious question, what do you hope would be achieved by having widespread gun ownership?

    41. Re:Guns by Anonymous Coward · · Score: 1

      The soldiers at Ft. Hood were not armed.

    42. Re:Guns by nighthawk243 · · Score: 1

      I highly doubt they'll redefine that. 3D printing or not, creating an automatic sear is a violation of the NFA and carries the same penalties as possessing one that was smuggled in and unregistered. If it isn't a transferable sear and you don't have the required permits, you are in deep hell if you get caught.

    43. Re:Guns by geekanarchy · · Score: 1

      What nonsense! By my impeccible logic, I am sure that if you remove guns from society then criminals using guns will suddenly choose to become outstanding citizens. Obviously, guns corrupt people's minds and once they are removed we can all live happily ever after.

      What's that, ol' chap? Knife crime?

      Blimey! Well, by my impeccible logic, I am sure that if you remove knifes from society...

    44. Re:Guns by Remus+Shepherd · · Score: 1

      Perhaps if your citizens were better armed, stories like this would turn out better:
      http: //www.borderlandbeat.com/ ...

      That's a terrible example. Sure, there are a gazillion guns in the Borderlands, but whenever you shoot anyone they just respawn at a Hyperion 'New U' station. They have so many guns mostly to protect against skags and bullymongs.

      What we really need to do is make Siren powers illegal. Once we figure out how to 3D print those then we're in trouble.

      --
      Genocide Man -- Life is funny. Death is funnier. Mass murder can be hilarious.
    45. Re:Guns by triffid_98 · · Score: 1

      Yes, I definitely consider handguns made entirely of Lego brick material a credible threat. Just like nail clippers, 4oz bottles of shampoo and shoes. Also, congratulations on being selected for additional security screening, please wait by the TSA agent on your left.

    46. Re:Guns by OeLeWaPpErKe · · Score: 1

      You are mistaken : at slashdot facts don't get used to deny democratic moronic ideas. Only republican ones.

      You seriously haven't noticed this before ?

    47. Re:Guns by Anonymous Coward · · Score: 0

      Why not? Everyone and their dog can buy guns, this just cuts out the middleman, like Walmart.

    48. Re:Guns by dinfinity · · Score: 2

      You can make all the snarky comments you want. Just walk around for a day and think about all the fucking idiots you see that you wouldn't even trust holding scissors. Now imagine those same idiots with a gun.
      If you don't have the time to do that, let these law abiding citizens make you proud:
      http://www.youtube.com/watch?v=pTVa0aQnvVU

      Extra points if you stick around till about 4:55.

    49. Re:Guns by Anonymous Coward · · Score: 0

      Well he's kinda right that that is illegal. It's still a bit disingenius. Effectively people who aren't basiji don't have guns. Normal people are very unlikely to ask because if they are basiji they won't respond well to that question.

      Private gun ownership in Iran is effectively zero. During the Shah it was allowed for a few reasons, and the law was never changed. But just because the government lets lunatics tell normal citizens what to do (like "burn this flag on camera or get shot" type demands. Yes technically they're not allowed to shoot you. If you feel like trying that one, just visit). But just because the government lets lunatics wave guns around at normal people should not be confused with liberal gun ownership laws. Hell the law could say that gun ownership comes free with every 20-pack of diapers, and nobody would dare take them up on it.

      A very specific lunatic. In Iran, the situation can be described as thusly : "guns don't kill people, allah does".

    50. Re:Guns by ArcadeX · · Score: 1

      "An armed society is a polite society. Manners are good when one may have to back up his acts with his life". - Robert A. Heinlein

      --
      An I.T. motto in the hands of an idiot is a dangerous thing...
    51. Re:Guns by Anonymous Coward · · Score: 0

      WOOOOOOSHHH!!!

      You just helped the opposing point.

    52. Re:Guns by xevioso · · Score: 1

      In countries where there are less guns, they have less gun violence.

      It's pretty simple, really.

    53. Re:Guns by Hognoxious · · Score: 1

      Huh? This referring to guns for the army.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    54. Re:Guns by Hognoxious · · Score: 1

      Problematic for whom? I suspect that when a load of barely trained rednecks get the chance to act out their wild-west fantasies the safest person in the room is the one being aimed at.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    55. Re:Guns by Hognoxious · · Score: 2

      I could make a better weapon from what's in my kitchen[1] than anybody could make with a current 3D printer.

      [1] No, I don't mean my wife's cooking.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    56. Re:Guns by Anonymous Coward · · Score: 0

      Bollocks. The USA is not even close to being as polite as Belgium.

      Only free manners are truly good.

      - A.C.

    57. Re:Guns by RearNakedChoke · · Score: 2

      In countries where there are less guns, they have less gun violence.

      It's pretty simple, really.

      Yes, countries like Mexico and Columbia are pretty safe.

    58. Re:Guns by RearNakedChoke · · Score: 1

      Read your own wiki article. It states that while small arms come from the US, heavy arms, like grenades and RPGs come from within and other central American countries. What this means is that its more convenient to get small arms from the US. But plug that hole and they would just as easily get it from within and other central American countires.

    59. Re:Guns by Anonymous Coward · · Score: 0

      Pity that there is now a bunch of lunatics trying to make printable guns. The world will not be a better place when everyone and their dog can download and print their own guns.

      The danger facing society from 3D printers is not the guns, knives, or anything else that you are afraid of that they will print. It is the garbage that they will generate. Proceeding with naive happy nerdy makery grins on our faces without making sure that there is a solid recycling process in place first is as dumb as it gets. It's as if we've learned nothing from all of the monumental environmental blunders we've made in the past.

    60. Re:Guns by Anonymous Coward · · Score: 0

      Will? What complex things do you think you need to make a gun right now?

    61. Re:Guns by lennier · · Score: 1

      The world will not be a better place when everyone and their dog can download and print their own guns.

      Certainly not once the cats get their uranium centrifuges online.

      --
      You are not a brain: http://books.google.com/books?id=2oV61CeDx-YC
    62. Re:Guns by fustakrakich · · Score: 1

      I don't want to outlaw guns. I want to outlaw lunacy :-/

      Watch out for low flying jets...

      --
      “He’s not deformed, he’s just drunk!”
    63. Re:Guns by Bucky24 · · Score: 1

      You know I hadn't really thought of it that way. And you're right, I don't think I'd trust most of the people I meet with a deadly weapon...

      --
      All the world's a CPU, and all the men and women merely AI agents
    64. Re:Guns by Bucky24 · · Score: 1

      Bollocks. The USA is not even close to being as polite as Belgium.

      Then the US obviously doesn't have enough guns yet! /sarcasm

      --
      All the world's a CPU, and all the men and women merely AI agents
    65. Re:Guns by In+hydraulis · · Score: 1

      Pity that there is now a bunch of talentless hacks trying to pass themselves off as pro photographers..

      Are you implying you'd have to be a talentless hack to want to make a living from your photography?

      Same logic. Doesn't seem sound when transplanted into another context.

      Why do people get so aggressive when talking about guns?

    66. Re:Guns by Odin's+Raven · · Score: 1

      The world will not be a better place when everyone and their dog can download and print their own guns.

      I'll tell ya this much - the day that dogs can download and print their own guns is the day we're gonna find out if all that "man's best friend" stuff is for real.

      "Fetch the stick boy, fetch the stick!"
      "No. *ka-click* You fetch the damn stick."

      --
      A marriage is always made up of two people who are prepared to swear that only the other one snores.
    67. Re:Guns by Anonymous Coward · · Score: 0
      You have to be completely delusional to think anyone can "3D" print an entire gun just by buying one of these faddish printers. You can already buy all the real machine tools and actual materials you need to fabricate (that's the real word you people want) an actual usable gun.

      The 3D printing fanboys just want a fake air of credibility to their hobby, that's all.

    68. Re:Guns by Anonymous Coward · · Score: 0

      you obviously didn't read the referred link, here's the quote from the 'American Rifleman' (aka the NRA magazine)

      Here, in bold capital print, emblazoned across the page, were the words “SEND A GUN TO DEFEND A BRITISH HOME.” The appeal went on: “British civilians, faced with threat of invasion, desperately need arms for the defense of their homes.” Appealed for were pistols, rifles, revolvers, shotguns and binoculars. In short, from Britain to America: “Help! Send any arms you can spare, because we haven't a prayer without them when and if we are invaded!”

      as a further hint the home guard did not start out as part of the army (even the name came later)

    69. Re:Guns by Anonymous Coward · · Score: 0

      "When governments fear the people there is liberty. When the people fear the government there is tyranny."
      -- Thomas Jefferson

    70. Re:Guns by Hognoxious · · Score: 1

      Hardly an unbiased source.

      And you don't think that wording - "DEFEND A HOME" is designed to be emotive? It's certainly grabs the attention more than "Help equip a sort of Limey militia".

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    71. Re:Guns by Anonymous Coward · · Score: 0

      You don't need to make. There's probably knives, for starters.

    72. Re:Guns by Hognoxious · · Score: 1

      The availability of steel pipe at the hardware store must make you very nervous.

      Only if I was firing the bloody Heath-Robinson contraption.

      I doubt that tube is anywhere near strong enough.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    73. Re:Guns by Anonymous Coward · · Score: 0

      So, by the figures you mention, a grand total of 11.6% of guns used in Mexican crime can be traced to U.S. origins. Not 87%.

      That leaves 88.4% that either can't be traced to a U.S. origin, or can't be traced at all. I think ravenshrike's claim that "the vast majority of firearms used by the cartels don't come from America" seems to hold up fairly well.

    74. Re:Guns by Anonymous Coward · · Score: 0

      Less gun violence in many cases (but not all), but often *more* non-gun violence. It's quite strange that the violent folks use whatever weapons they can get their hands on.

      Weapons are force multipliers. Guns serve a purpose that virtually no other weapon can. They make the physically weak, and otherwise virtually defenseless in the face of a physically stronger opponent, as (or nearly as) powerful as their assailant. No, it's not foolproof. Sometimes the assailant has a gun as well, in which case they're still on more even footing. Sometimes the assailant can take the gun from the victim, but that's simply increasing an existing power disparity, not creating one from scratch.

    75. Re:Guns by Anonymous Coward · · Score: 0

      Not quite. The Home Guard certainly wasn't the British Army.

      From the first sentence of the Wikipedia entry:
      "The Home Guard (initially "Local Defence Volunteers" or LDV) was a defence organisation of the British Army during the Second World War. Operational from 1940 until 1944, the Home Guard – comprising 1.5 million local volunteers otherwise ineligible for military service..."

    76. Re:Guns by warpuck · · Score: 0

      Spec ops soldiers and marines as a group are generally polite. Why? Because using a pistol or rifle is an option and they make too much noise when converting a living human to a corpse.

    77. Re:Guns by warpuck · · Score: 0

      recipe for a cannon: 6 ft of 2" schedule 150 steel pipe. 1 schedule 150 end cap. 4-6 oz of FF black powder. tomato paste can filled with concrete. or sub 1/3 lb 20 penny nails for short range 4 inch square rag patch. 8 ft 1 to 1 1/2 inch wooden ramming rod. TIG weld the end cap to one end of the pipe. drill a 1/8" hole 1/2" away from the weld. mount on a two wheel cart. use 3/4 " countersink to relieve a touch hole to the1/8" hole. The rest you will have to figure out for yourself.

    78. Re:Guns by inotrollyou · · Score: 1

      that's why, as president, I would institute a mandatory firearm safety education course for all citizens wishing to purchase a gun legally.

  2. Only one question... by Yaa+101 · · Score: 3, Insightful

    How long will it take before all the legalese crap breaks loose?

    Sooner or later powerful people will want to appropriate this while shielding and litigate the rest of us.

    1. Re:Only one question... by Anonymous Coward · · Score: 0

      The lawyers are just waiting for someone to print a shiv...

    2. Re:Only one question... by WillAdams · · Score: 5, Interesting

      Already started.

      Thingiverse has received DMCA takedown notices for a couple of models, some legitimate (Games Workshop probably has a pretty clear-cut case for copyright infringement), others resolved (over a Penrose Triangle based on a design from the 1930s) and at least one other which I recall, but can't find a link for where a parent printed up a replacement part for a broken toy but took it down at the request of the toy manufacturer (if memory serves).

      --
      Sphinx of black quartz, judge my vow.
    3. Re:Only one question... by fuzzyfuzzyfungus · · Score: 4, Interesting

      For the moment, costs and material limitations are probably keeping things on that front (mostly) in check. There are a few areas(like the Games Workshop figurines), where the price is quite high based largely on copyright and there is also a demand for numerous replicas(though, incidentally, I'm told that the real 'pirates' tend to use conventional mould-making and casting techniques, since those are reasonably efficient for small batches and far cheaper than a 3d printer that can capture fine detail properly).

      There just aren't too many things that are made of dubious-quality plastic but are expensive enough to clone at current prices. Nothing like music where, even on dialup, the price of a CD worth went from $15 to ~$0...

    4. Re:Only one question... by Anonymous Coward · · Score: 0

      Is there a maker market for custom models like a focused etsy? Seems the best use for dubious-quality small plastics would be toy add-ons. Guns/swords for standard action figure grips, lego/playmobile tools and props (obviously all unassociated with the name-brand and sized by 'grip size'), etc. Seems like a market of 100s of toy-grippable objects would be awesome to browse and print and play.

    5. Re:Only one question... by WillAdams · · Score: 1

      There're already companies making weapons for Lego mini-figures:

      http://www.brickarms.com/

      but they make them by traditional injection molding --- the resolution of 3D printers is still not fine enough to make parts which will properly interchange w/ real Lego bricks (which are made using tons of pressure to a precision of ~10 micrometres).

      William

      --
      Sphinx of black quartz, judge my vow.
    6. Re:Only one question... by fuzzyfuzzyfungus · · Score: 1

      There is thingverse; but that is presently embroiled in some licensing-related controversy, peripherally related to makerbot's current togetherness problems with their OSS/OSH roots.. Most of the commercial 3d printing services also have some sort of 'library' feature to provide more things that you can order printed by them, shapeways and i.materialize come to mind; but there are others.

    7. Re:Only one question... by Anonymous Coward · · Score: 1

      Already started.

      Thingiverse has received DMCA takedown notices for a couple of models, some legitimate (Games Workshop probably has a pretty clear-cut case for copyright infringement), others resolved (over a Penrose Triangle based on a design from the 1930s) and at least one other which I recall, but can't find a link for where a parent printed up a replacement part for a broken toy but took it down at the request of the toy manufacturer (if memory serves).

      How is it a clear-cut case for copyright infringement? So if I create a 3d model of a commercial product I'm violating the copyright? Perhaps these models were laser scanned?

    8. Re:Only one question... by Solandri · · Score: 2

      This is what we really need to be looking out for on the copyright front. The law is currently being made to deal with stuff like books, music, movies, and software. But long term it's also going to apply to real, physical objects. The issue first cropped up with copyrights for weaving design patterns. Soon we're going to have 3D printers. Eventually we'll probably have Star Trek-like molecular replicators. It means someone is going to "own" the shapes you might print on your 3D printer.

      Eventually there will be a huge cost drop as we transition from manufacturing a part via a custom manufacturing process to just creating it with generic 3D printing equipment. Much like switching from movable type and typewriters to dot-matrix, ink, and laser printers reduced cost, while dramatically increasing flexibility in what you could print (different fonts and even graphics). If we're not careful, or approach copyright as if it's only about intangibles like music or software, we're going to be setting ourselves up for a century where this huge drop in the cost to manufacture could have been used to greatly improve mankind (e.g. people in 3rd world countries printing their own hammers, saws, and nails; replacement gears for motors, etc). But instead most of the benefit of that cost drop is going to end up lining the pockets of copyright holders because of our ridiculous life + 70 years copyright terms.

      That's what I see being most important in the next 20-50 years. If copyright reform fails (which is a good bet), we need an early database of open source 3D CAD drawings for all sorts of generic household and commercial items. Tools, motors, plumbing, fixtures, basic electronics, gears and transmissions, etc. So when the day comes, some ratfink bastard company can't go around suing anyone trying to distribute 3D print models for hammers because they claim to own the copyright on all 3D drawings of bludgeoning implements. (That's the problem with Apple's victory based on its iPhone design patent. Rather than clearly define what shapes it owns so other companies can steer clear when making their own designs, the courts are doing it backwards. Other companies are left to blindly make products, then a court decides based on nebulous and impossible to describe criteria if its too close to Apple's design. It's an incredibly wasteful process, and the only sure defense is to have a documented older design.)

    9. Re:Only one question... by OeLeWaPpErKe · · Score: 1

      Copyright has *nothing* to do with making copies. Copy all you want ! Make 3d scans !

      You just can't distribute it without a licence.

      So make whatever 3d model you want. Just don't distribute it. Distribution is any act that gives access to a product to a different legal entity (so, theoretically, you can send a copied DVD to your spouse, and your company can have DVD lending and book sharing, or xbox game sharing, even with making copies of the originals).

      (this is not legal advice, contact a legal professional before engaging in behavior you're not certain about ...)

  3. TSA by Aqualung812 · · Score: 5, Funny

    The irony of your low-uid username and this comment is awesome.

    --
    Grammer Nazis - I mod you "troll" unless you actually add something on-topic. Yes, I know I have mispellings in my sig.
  4. I Thought We Agreed by eldavojohn · · Score: 4, Funny

    The Explosive Growth of 3D Printing

    I thought we agreed not to print printable machines that print more printable machines. It's Second Life all over again ... IRL!

    --
    My work here is dung.
    1. Re:I Thought We Agreed by Anonymous Coward · · Score: 0

      Yo Dawg, i heard you like...oh forget it, none of you will get this reference since we're all mature and hardworking individuals.

    2. Re:I Thought We Agreed by Anonymous Coward · · Score: 0

      I thought we agreed not to print printable machines that print more printable machines. It's Second Life all over again ... IRL!

      It's the First Life for some of us, you insensitive clod!

  5. For those of us looking to buy a 3D printer by ebh · · Score: 2

    ...Maker Faire was a goldmine. Every major vendor was there, and they all had samples of the classic objects everybody uses for demos, so it was very easy to compare the quality of the output. (That is, presuming that the ones that stood out didn't just print 500 identical objects and bring the one good one.)

    1. Re:For those of us looking to buy a 3D printer by Jeng · · Score: 1

      I'm glad to hear that you got to see the quality of the output of many different 3D printers, so up for doing a quick review of what was good and what was bad?

      --
      Don't know something? Look it up. Still don't know? Then ask.
    2. Re:For those of us looking to buy a 3D printer by ebh · · Score: 5, Informative

      Since all I looked at were completed objects, I can't say anything about how fast they were produced, how reliable or easy to calibrate the printers are, etc. What I mostly looked for were irregularities. In a 3D printed object, the layers are very visible. If you think of a cylinder, you expect the sides to be as smooth as possible, i.e., no protrusions or indentations. The layers should be completely horizontal, no glitches or waviness that make you think the printhead jiggled or anything. If you think of a sphere, the topmost layers should look like perfect concentric circles, and the top shouldn't look like it's about to cave in.

      It was insanely crowded in the 3D Printer Pavilion, so once I decided that a vendor's objects were not the best, I moved on. But there were two noteworthy units: Sorry to say, the new Makerbot 2 was a disappointment, given that it's one of the most expensive units at $2800. The objects they had on display were some of the worst. The surprise winner, and the one I'm recommending to a nonprofit children's museum I'm working with that wants to buy one, was the Tinkerines Ditto. It produced the best objects, and at $900 in kit form or $1400 assembled, it was amazing bang for the buck.

      Tinkerines is new to the scene, so they don't yet have a dual-nozzle head, nor do they yet support ABS plastic (the necessary heated base is still being developed), only PLA. But for our application, it's perfect. The people were really nice too, despite the crowds and the cacophony in the tent.

      (Disclaimer: I have no connection with any vendor except as a customer or with Maker Faire except as an attendee.)

    3. Re:For those of us looking to buy a 3D printer by Anonymous Coward · · Score: 0

      ...Maker Faire was a goldmine. Every major vendor was there, and they all had samples of the classic objects everybody uses for demos, so it was very easy to compare the quality of the output. (That is, presuming that the ones that stood out didn't just print 500 identical objects and bring the one good one.)

      What was your verdict?

    4. Re:For those of us looking to buy a 3D printer by H0NGK0NGPH00EY · · Score: 2

      Did you happen to see the Formlabs Form 1 printer? They were at Maker Faire too. They're running a Kickstarter right now, and from the photos and video on there the parts that machine produces look far better than most anything else I've seen. I watched the video of the Tinkerines Ditto on IndieGoGo and the parts didn't look anywhere near as finely-detailed.

      I'm quite interested in learning more about the Form 1 and it would be great if someone had a first-hand experience from maker Faire (I'm in Seattle and couldn't attend).

      --
      Do not read this sig.
    5. Re:For those of us looking to buy a 3D printer by ebh · · Score: 2

      I'm not sure if they were in the 3D Pavilion or in one of the other tents, but I didn't see them--I'd definitely have remembered! If their Kickstarter page is to be believed (and I have no reason to think otherwise), the $2700 theirs will cost buys you a lot better rendering and a lot less shape restriction than any of the "conventional" 3D printers out there. Personally, I'll take a serious look at them after they've been in production for a year. I'm less concerned with the printer itself than whether you're tied forever to their proprietary resin, whether they can make it in other colors (ideally, mixable over a wide gamut), and how well they can produce it in quantity. I'd also like to see a two-color version of it eventually.

      I have to admit: I find it exciting just watching this market develop. Reminds me of the late 70's when these newfangled computer thingies came out and nobody was quite sure what they'd be best at.

    6. Re:For those of us looking to buy a 3D printer by Anonymous Coward · · Score: 0

      I also agree with the ditto as its prints including the vortex that is printed by everyone and hence it's a good piece to use for comparison most of the printers other than the ditto had flaws on the underside of the tightest curves where ditto a were smooth and had only a small variation of thickness.
      It is the one I'm buying for my school. I can't wait.

  6. Extra E by Russ1642 · · Score: 1

    Anyone who adds an e to town, old, or fair deserves a kick to the nuts, especially if those words are used in combination or with the word ye.

    1. Re:Extra E by flyingfsck · · Score: 1

      Viva la difference. Ol'Bill of the Shaky Speare would also beg to differ with you.

      --
      Excuse me, but please get off my Pennisetum Clandestinum, eh!
    2. Re:Extra E by danbert8 · · Score: 5, Interesting

      Or as my French speaking girlfriend suggested: Faire is the French word for "To make" so it could be a play on words?

      --
      Yes it's an anecdote! Were you expecting original research in a Slashdot comment?
    3. Re:Extra E by Olix · · Score: 1

      I read 'World Maker Faire' and I think, "wow, that sounds shitty." 'Faire' is obviously terrible, but 'Maker' isn't a great word either. Can't they think of something that sounds less naff?

    4. Re:Extra E by hirschma · · Score: 3, Informative

      There was a presentation about the genesis of Maker Faire at the Open Hardware Summit last week. The pointed out the French translation of "faire" - and said that it was something that they learned after the fact. FYI.

    5. Re:Extra E by Hognoxious · · Score: 1

      But if we add an i at the beginning Applee, ummm, I mean Apple, will have our guts for garters.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    6. Re:Extra E by Hognoxious · · Score: 1

      Because fat nerdy neckbeards would totally know that.

      NOT!

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    7. Re:Extra E by Bucky24 · · Score: 1

      Actually a fat nerdy neckbeard probably would know something like that. I met quite a few people who fit the stereotype in college and wow did they know some random useless things...

      --
      All the world's a CPU, and all the men and women merely AI agents
  7. Comparison by freeze128 · · Score: 2

    The 3D printer of today is a lot like the VCR. It has elements of robotics, complex control circuitry, and some even have an onboard LCD interface. But with all that technological brilliance, it's WHAT IT DOES that matters the most.

    1. Re:Comparison by vlm · · Score: 3, Funny

      The 3D printer of today is a lot like the VCR.

      In other words pr0n is going to drive the market. Home printing of customized "marital aids" and "massage machines" are going to drive the market. Whichever 3-d printer is first to market with a silicone print head wins. Also lots of size bragging... no one's going to admit a reprap huxley that can only print 5 inch long things (well, more on the diagonal) is "big enough".

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    2. Re:Comparison by loufoque · · Score: 1

      Or just japanese erotic figurines.

    3. Re:Comparison by Anonymous Coward · · Score: 0

      This has been modded "funny", but is actually a very real possibility. Porn will always be king. If 3D printers become able to print silicone, things could be interesting. This would also help for medical devices.

  8. True Geeks by stevegee58 · · Score: 1

    I assume this event is for True Geeks which would normally be dressed in chain mail and carry swords a la Dungeons and Dragons.
    The extra E seems appropriate.

    1. Re:True Geeks by Anonymous Coward · · Score: 0

      I assume this event is for True Geeks which would normally be dressed in chain mail and carry swords a la Dungeons and Dragons.

      The extra E seems appropriate.

      In this case, it's "chain-like resin mail".

    2. Re:True Geeks by Russ1642 · · Score: 3, Funny

      One of my favourite Dave Barry quotes: "We should enact an 'e' tax. Government agents would roam the country looking for stores whose names contained any word that ended in an unnecessary 'e,' such as 'shoppe' or 'olde,' and the owners of these stores would be taxed at a flat rate of $50,000 per year per 'e.' We should also consider an additional $50,000 'ye' tax, so that the owner of a store called 'Ye Olde Shoppe' would have to fork over $150,000 a year. In extreme cases, such as 'Ye Olde Barne Shoppe,' the owner would simply be taken outside and shot."

    3. Re:True Geeks by madmarcel · · Score: 1

      Oops...too late.
      http://madmarcel.github.com/
      So when do I pay the $150,000, and whom do I pay it to? Or do I just get shot?

    4. Re:True Geeks by Anonymous Coward · · Score: 0

      Can we then bring in tax brakes for people who use ?

  9. How was this achieved without patents? by Anonymous Coward · · Score: 0

    How can we innovate without the use of patents? Oh wait aren't these people innovating in a patent vacuum, either through their own ignorance or lack of jerks trying to lay claim to ideas that everyone else can come up with?

    It's time for patents to go, they provide NOTHING.

    1. Re:How was this achieved without patents? by Jeng · · Score: 1
      --
      Don't know something? Look it up. Still don't know? Then ask.
  10. How do you get started? by Anonymous Coward · · Score: 0

    Honest question here. How do you get started with 3D printing, and how do you do it cheaply? If somebody's at a "curious hobbyist" level, where do they start?

    1. Re:How do you get started? by teaserX · · Score: 1

      Should no help be forthcoming in this thread, your question would make a fine "Ask Slashdot" submission. :)

      --
      We really need your help
      http://www.gofundme.com/help-sherry
    2. Re:How do you get started? by vlm · · Score: 1

      how do you do it cheaply?

      Its all at the level of a thousand hours vs thousands of dollars with a pretty smooth tradeoff in between. If you were hoping for $100 and a couple hours its not quite there yet.

      This will probably be seen as heretical, but try an eggbot kit, if the electronics, mechanics, software, or price scare you away,han replicators aren't for you. However if you do the eggbot thing then say to yourself, "self, I can now handle 10x the challenge of an eggbot" then you're ready for a replicator.

      If somebody's at a "curious hobbyist" level, where do they start?

      http://www.reprap.org/wiki/Main_Page

      Even if you don't go reprap, you'll learn the terrain there.

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    3. Re:How do you get started? by Anonymous Coward · · Score: 0

      Consider limiting yourself to designing objects and have them printed at online services like Shapeways for now. Learning how to design objects that fulfil all the objectives in a single iteration is a challenge in itself, and you will profit from learning that in a few years when better and cheaper equipment becomes available.

    4. Re:How do you get started? by Bram+Stolk · · Score: 3, Informative

      ... If you were hoping for $100 and a couple hours its not quite there yet.

      I can recommend starting with using a 3D printing service.
      Even if you use a commercial printing service, much of the experience of 3D printing is still there, like the design, the anticipation of outcome, etc.

      Google for Sculpteo and Shapeways.
      They're pretty affordable, and do a lot of the messy work for you.
      I had this printed for 90 bucks or so:
      https://twitter.com/i/#!/BramStolk/media/slideshow?url=pic.twitter.com%2FJmiojXxJ

      --
      Bram Stolk http://stolk.org/tlctc/
    5. Re:How do you get started? by Smidge204 · · Score: 1

      Be prepared to spend at least $400, and that's if you do all of the part sourcing and assembly yourself including soldering the electronics. The reprap.org forum and wiki are good resources (though very slow lately!), as is the #reprap IRC channel on freenode. My experience is the community is generally quite helpful and inviting.

      Kits typically start around $700 or so but involve a less assembly work and contain everything you need. I'm a happy owner of a Prusa Mendel machine built from a kit sold by Makergear (not to be confused with Makerbot!) that set me back ~$800. (Kit comes with some plastic but I ordered extra). I can honestly recommend them for what it's worth.
      =Smidge=

    6. Re:How do you get started? by Smidge204 · · Score: 1

      Somehow I managed to not copy the link to the forum properly... clipboard derp on my part.

      http://forums.reprap.org/

      =Smidge=

  11. Mid/long term speculation... by fuzzyfuzzyfungus · · Score: 4, Interesting

    So, does anybody care to speculate about the mid/long term distribution/ownership of these things?

    I keep seeing the breathless predictions of 'desktop manufacturing, one in every household!'; but I also see that (among the people, friends, family, neighbors needing computer assistance, etc. who I have cause to know about) ownership of inkjets is actually falling, despite the fact that those are nearly free; because it's easier to just upload the pictures to some service that owns a $20k+ printer but will sell you a tiny slice of it for under 10 cents a print. Laser printers are holding the line, so far, among people who push paper.

    As a technology, 3d printing is obviously here to stay; but the value proposition of actually owning one, rather than renting a tiny slice of somebody's much classier one over the internet, seem about as mainstream as the economics of owning a high quality large format photo printer or a machine shop. Definitely something that certain professions would lead you to do, and definitely something that a hobbyist would want access to; but not necessarily something that you would seriously consider owning...

    1. Re:Mid/long term speculation... by WillAdams · · Score: 3, Insightful

      I've thought that obvious places for this would be:

        - local car dealer --- in the shop where they could print up small trim parts rather than having to maintain inventory / having them shipped
        - local hardware store (w/ integrated 3D scanner) --- scan the thing-a-ma-bob which they customer brings in, be directed to a particular aisle / shelf if in stock, if not, print up a quote to have a replacement printed / milled.

      The problem is the run time on these devices is rather lengthy, making it hard to run one profitably --- look at the charges at www.ponoko.com --- they're all way higher than the intrinsic value of the bits to most people. The original laserprinters / inkjets were competing w/ offset printing and mimeographs which were a lot less convenient and significantly more expensive on a cost-per-page basis for short runs. The VCR was competing against Cable TV or the classic movie projector, both of which were far more expensive.

      I've been contemplating a milling machine (for woodworking) and would love to have a lasercutter / engraver though.

      --
      Sphinx of black quartz, judge my vow.
    2. Re:Mid/long term speculation... by Spottywot · · Score: 1

      My thoughts exactly, it certainly is exiting tech, but not likely to be the device that everyone has in their home. Hackerspaces could be the way forward in my mind, especially as they allow the customer to come into contact with the manufacturing process and take advantage of the resident experts.

      The lack of one in my local area has led me to look in to the possibilities of starting one myself.

      --
      In a cybernetic fit of rage she pissed off to another age...
    3. Re:Mid/long term speculation... by fermion · · Score: 1
      Certain people will buy one. It will not be like laser printers and inkjet printers, in that 3D printer will be cheap enough to own one. It will be like high end laserjet or wide format printers in that the price will be within the range of hobbyist who want one. It will be like color laserjet and inkjet printers in that people will realize that the expense is in the consumables, not the printer itself. It will not be as bad as a chap color laserjet, where refilling the consumables is more expensive than the printer, but it will be close.

      Most decent size firms and colleges have at least one 3d printer. Some places they are restricted due to the cost. Even at major research centers I have seen them idle, something I would not this expect if they were being used as a significant tool. It can take a day to make a decent sized object. For the common maker it wil be a curiosity where something is sent out to be made as a lark. One of the cool thing about making is using found objects to create significant machines, because we mostly don't hav the ability to create completely new parts. 3D printing does give us that ability, and at a relatively low cost, but stil higher than many can afford. For instance, I still might throw away my $200 machine because printing the little plastic peice that broke might still cost more than the machine.

      --
      "She's a scientist and a lesbian. She's not going to let it slide." Orphan Black
    4. Re:Mid/long term speculation... by vlm · · Score: 3, Insightful

      An insightful observation, but I'd add that you need to factor in the reprap factor. If it goes makerbot, meaning no self replication, then you've got it, but if it goes reprap, meaning self replication, then things could get weird. If my laser printer could print another laser printer...

      I'd say the best reprap analogy is livestock farming. Yes it reproduces itself to a first approximation for free, but its going to take up time and some specialized supplies, lots of specialized knowledge (although in the olden days every peasant knew everything about chickens, or thought they did, anyway), and space, and smell (molten PLA is not as stinky as molten ABS, both pale in comparison to the smell of a laser cutter exhaust or chicken droppings, but...). Admittedly for most people, chicken is what comes in little wrapped trays at the supermarket, or more likely the fast food drive thru...

      My metal lathe can make another bigger lathe, but that's pretty rare in the hobby because its a lot of work, worse than printing reprap parts...

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    5. Re:Mid/long term speculation... by Anonymous Coward · · Score: 1

      Having built a reprappro mendel last month, I can agree with you to an extent, the novelty for downloading knic-knac models off the net wears off quickly, The appeal for me is learning electronics with a fun project first off, and second, to be able to design my own objects, print, tweak, repeat, until it's right.

      As I have a lot of bare electronics projects, printing my own enclosures is a lot more polished looking than an off-the-shelf project box or an altoids tin.

      reprap was a lot easier to build than I expected, documentation is on the button, the nozzle hot end part I thought would be difficult, but if you can install a CPU fan and tighten a few screws it's a piece of cake. layer resolution (Z) is 100 microns and XY resolution is .5mm (Replicator 2 is Z = 100 microns, XY = .4mm)

      For people who don't want to build/maintain a 3D printer and just want something that works, Form 1 on kickstarter is the price of a Makerbot Replicator 2, has free tech support, doesn't need bed leveling maintenance between prints, better software, higher resolution at XYZ = .025mm, and print more complex parts without wasting support material.

    6. Re:Mid/long term speculation... by gregor-e · · Score: 1

      You're right, it isn't so much ownership of a printer that (normal) people want, it's having customized stuff. Until the price of the filament or resin comes down, 3D printers and their output will continue to be relegated to the expensive toy category. $20 per cubic inch is a bit more than most people are willing to pay for small plastic trinkets. If the final cost of production comes within, say, a factor of 2 of the cost of bulk injection molded plastic items, then the age of mass-customization will be upon us. Handy people might buy a printer for use around the house, making replacement doorknobs and coathooks, but the average consumer will be more interested in uploading a series of photographs from different angles and receiving a 3D print of their favorite person or thing from the CostCo 3D photo-printing service.

    7. Re:Mid/long term speculation... by Koreantoast · · Score: 1

      I can see this in a few steps. You'll start with the larger manufacturers expanding the use of 3D printing and then the shift to smaller and mid-sized manufacturers. Then you may see things like auto-body shops and parts suppliers begin to move into the realm. At least for the next ten, twenty years, it may be more of a Kinkos model where you'll have small, franchised 3D print shops that print up components and parts for you. We may eventually get to home printing, but in order for this to be successful, you'd need 3D printers that can print a much larger variety of goods. However, to produce this broader range, we'll need to figure out a better way to distribute the wider range of raw materials at a cheap cost. If you remember, it took a while for even color inkjets to reach an affordable price.

    8. Re:Mid/long term speculation... by rasmusbr · · Score: 2

      The real benefit of a printer is probably the short "shipping" time. If you realize that you want a plastic part or a photo print tomorrow at the latest it's too late to order now, but if you have a printer you can get it today.

    9. Re:Mid/long term speculation... by gninnor · · Score: 1

      When there is an inline recycling unit I'll be interested. Something breaks, junk in, replacement part out. Bonus points when metal and glass can be used (I can dream).

    10. Re:Mid/long term speculation... by Anonymous Coward · · Score: 0

      Once these things get good enough and cheap enough, you can get one and then you will never need to buy any small item around the house again. You won't need to store a screwdriver, just print one up in a minute for those occasions where you need one, and the printed is going to actually be the right size that you need for your particular purpose (otherwise print another one). That garden tool you keep leaving out in the rain and then it rusts? No problem, here's a new one in a minute. The point is not that you couldn't get those items at a store, it's that you don't need to waste the time to go to the store and this will be cheaper. Half the things that many stores sell will no longer be necessary to have stores for at all. Then of course there are things like that odd piece of plastic that broke off your fridge - now easily replaced and you don't have to wait for delivery from some internet shipper. Though obviously that's far off - for now it's a specialized tool for professionals and a fun toy for hobbyists. Eventually these things will probably double as regular old printers too.

    11. Re:Mid/long term speculation... by Anonymous Coward · · Score: 0

      > ... ownership of inkjets is actually falling, despite the fact that those are nearly free; because it's easier to just upload the pictures to some service that owns a $20k+ printer but will sell you a tiny slice of it for under 10 cents a print.

      It is a lot more expensive to print your own photos rather than using a service. A single 4x6 will cost you at least 19 cents just for the ink. Photo paper will cost you about 5 cents per print. Then you need to figure in the cost of the printer itself. That $75 budget all-in-one printer will not print as well as the one that the professional service uses. Unless you're buying a used printer the price range for a high quality one starts around $300. If you print 3,000 4x6s during that printer's life time the price per print will increase by 10 cents.

      You're looking at 34 cents per print to do it yourself at home. When companies like Costco charges you 10-13 cents a print, and higher quality services are still charging under 20 cents per print, printing photos yourself is a huge waste of both time and money.

    12. Re:Mid/long term speculation... by sootman · · Score: 1

      I think it'll take off. With prints, they're all pretty much the same, and if you don't have a printer, you can just keep it digitally and say "I'll print it later" or send it to someone else who REALLY wants to print it now. And you never need to, say, print a small square of a thing to paste on top of a bit that got damaged. I, however, am counting the days until I can use a 3D printer to fix the countless little things in my house that break or that I want to improve, like a part of a clip for a phone, or a button on a flashlight, or make a little piece of cross-track so my kid can have two different train sets cross each other. (Like Trackmaster and Take-and-Go Thomas sets.)

      So half of it is I really hate how much stuff becomes trash because it cost $2 and a bit of it broke, and the other half is there are millions of little things I can make that are small, light-duty things. With 2D printing, not so much -- there's pretty much 2 things you can do with printing (photos and text) and digital takes away a lot of the need for both.

      I know they don't have the ability to match Lego's 2-micron process, but there are TONS of things you can do with 1mm tolerance plastic. And the whole point of making it at home is the instant-ness of it -- unlike with printing, there's a lot of trial and error involved, and I don't want to have to wait 2 days (and pay to ship 3 ounces of plastic) to see if I designed my new toothbrush holder properly.

      --
      Dear Slashdot: next time you want to mess with the site, add a rich-text editor for comments.
    13. Re:Mid/long term speculation... by Anonymous Coward · · Score: 0

      Once these things get good enough and cheap enough, you can get one and then you will never need to buy any small item around the house again. You won't need to store a screwdriver, just print one up in a minute for those occasions where you need one,

      What about when your 3D printer breaks and you need a screwdriver to fix it?

      More to the point, you clearly have no clue about anything mechanical. Basically the only place people ever use plastic bladed screwdrivers is for adjusting trim pots in rapidly-disappearing analog electronics like CRT TV sets. If you need to use a screwdriver to apply even modest amounts of torque, a plastic tip is worthless garbage. Also, a screwdriver in a toolbox will always be there the moment you need it, and you won't have to wait for a slow-ass 3D printer. (That's the funniest thing about the worst of the enthusiasts, like you: you've clearly never used a 3D printer or paid attention to people who actually have. It is not press "print" and get your item seconds later. Not by a long shot.)

      and the printed is going to actually be the right size that you need for your particular purpose (otherwise print another one).

      Yay I will have tools of the right size which aren't fit for purpose because they're made of soft thermoplastic! Awesome, where can I sign up? I'm throwing out my obsolete box of steel tools. Right after I build my 3D printer with them.

      That garden tool you keep leaving out in the rain and then it rusts? No problem, here's a new one in a minute.

      "and then it rusts" = it was made from steel = you can't 3D print it.

      (cue the retarded 3D printing advocate posting a link to a super-expensive industrial 3D printer which can print some metals without the faintest clue about how impractical it would be to put one of those in every home, maintain a supply of feedstock in every home, etc)

      The point is not that you couldn't get those items at a store, it's that you don't need to waste the time to go to the store and this will be cheaper.

      How do you even know it will be cheaper? I see starry-eyed 3D printing enthusiasts claiming this all the time, but it's nonsense. Have you ever heard of simple economic concepts like the economy of scale? I guarantee you that a factory set up to make screwdrivers in high volume will achieve better quality and lower cost per screwdriver than any 3D printer ever can.

      Half the things that many stores sell will no longer be necessary to have stores for at all.

      Utopia!

    14. Re:Mid/long term speculation... by Anonymous Coward · · Score: 0
      It's rare to have reality and rational judgment in a 3D printing circle jerk. Thanks. Usually these 3D printer threads remind me of the VR stories of the '90s. Yes, we'll all live in plain white rooms and our VR helmets will project the color and patterns we choose!

      My theory is that most Slashdotters are geeks that went from daydreaming their youth away reading sci-fi, then they daydreamed their way through university (which a long time ago got rid of all that expensive "real world" material stuff to become a textbook pusher), then landed a virtual job sitting in front of a computer all day spending their lives consuming other geek's daydreams in the form of laughably bad sci-fi while reading mutual masturbation about the sci-fi daydream future.

      Someone with more life experience and with a normal sense of curiosity should be able to think like you. The scary thing is how few posts are like yours.

    15. Re:Mid/long term speculation... by Hognoxious · · Score: 1

      cue the retarded 3D printing advocate posting a link to a super-expensive industrial 3D printer which can print some metals without the faintest clue about how impractical it would be to put one of those in every home, maintain a supply of feedstock in every home, etc

      And not mentioning that even if the feedstock (and electricity) cost less than simply buying the item, you'd probably have to run the machine for the rest of your life to amortize the cost of the hardware.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  12. Re:For those of us looking to buy a 3D printers by Anonymous Coward · · Score: 0

    I'm especially looking forward to this printer, which uses stereolithography:
    TheIr kIckstarter page

  13. Computer-controlled Plastic Extrusion by Andy+Prough · · Score: 0

    How incredibly 1970's... I think we're about to see an explosive growth of profits by hippy glass blowers, who reinvent themselves as "3D Silica Printers".

  14. I'd like to have one by jtownatpunk.net · · Score: 1

    But they're still above my "fun toy" expense cap. If the MakiBox ever goes into production, I'll probably buy one just for fun but $300 is as much as I'd want to spend. It's cool to have the potential to just print off any little parts you need for a project but the reality is that it takes a lot of time to design objects. It would take hundreds of hours of practice to get competent at it and thousands to get good.

  15. Two Things by tpstigers · · Score: 0

    1) Every experience I have ever had with a printer has sucked. While every other aspect of technology gets faster and smarter, printing keeps getting slower and dumber. Logic would dictate that 3D printing would suck just as much as 2D printing, as well as sucking in an additional dimension.

    2) I attended Maker Faire this year, and I have to say the single most disappointing aspect of it was the 3D printing exhibits. Booth after booth displayed rather cool-looking little trinkets that had absolutely no use whatsoever. From the looks of it, 3D printing is a technology that exists purely for its own sake. Thousands of geeks used hundreds of devices to produce massive piles of useless crap.

    I'll consider being impressed by 3D printing as soon as someone actually starts doing something useful with it.

    1. Re:Two Things by rbrausse · · Score: 2

      I'll consider being impressed by 3D printing as soon as someone actually starts doing something useful with it.

      This is IMO impressive: Instead of shipping plastic parts around the world the company simply published CAD files. It's a start.

    2. Re:Two Things by Archon-X · · Score: 4, Interesting

      My company makes figurines and toys (primarily) for gaming companies.

      With the advent of 3D printing, we can get the 3D resources from the client, print out the model in 3D within a day, with accurate dimensions, colours and precision, make changes, before we send it off to our factories to produce the molds for production.

      Previously, each mold would cost around $5k to make, with each change costing hundreds of dollars - significant changes resulting in another $5k to restart the mold.

      Cost savings aside, we also save about 6 months development time. The clients love it, because they can see a physical version of their model / figurine instantly; we love it because we can work easily with the client to make changes, and the factories love it because they have a final product and order without months of delays.

      It might not help you, but it sure helps us.

    3. Re:Two Things by Archon-X · · Score: 3, Informative

      Same poster, second point.

      There is at least one 3D printing company that I know of that offers 'printing' in brass, bronze and titanium.

      They're using a very old and well known technique, the lost wax - but the wax is printed with the 3D printer, and then the metal poured into the mold.

      This is not only an amazing evolution on an existing technology, but because the final products aren't built up layer by layer, they're structually equivalent to anything coming out of a foundry.

      The ability to print custom tools, gears and moving parts in titanium is incredible.

    4. Re:Two Things by Seraphim_72 · · Score: 1

      Who is it? Plug man, plug away!!

      --
      Slashdot, where armchair scientists get shouted down and armchair theologians get modded up.
    5. Re:Two Things by Archon-X · · Score: 2
    6. Re:Two Things by MobyDisk · · Score: 1

      How close are your 3D prints to the final product? I assume they are just detailed enough as a prototype, good enough to give a general idea to the client. Do you paint them? I've thought about making figures with a 3D printer but I fear they aren't accurate enough for a final product.

  16. Makerbot by Applekid · · Score: 2

    MakerBot took the open source RepRap 3D replicator project mainstream back in 2009 with the release of the Cup Cake CNC machine, then came the Thing-o-Matic and then a little bot called Replicator. With each iteration, improvements in process and technology are bringing better, more capable 3D printers to market, from MakerBot's new Replicator 2.

    The Replicator 2 which is now closed source. That's one way to thank all the hard work of those who toiled and released open source hardware.

    --
    More Twoson than Cupertino
    1. Re:Makerbot by Anonymous Coward · · Score: 0

      Proving once again: GPL or bust.

    2. Re:Makerbot by Anonymous Coward · · Score: 0

      That proves nothing. The copyright holder of a GPL'd project could still choose to re-license their software as closed source. Sure, the community surrounding the project may decide to fork and create a new project, but the original project can be changed to closed source.

    3. Re:Makerbot by Anonymous Coward · · Score: 0

      Only the interface and the outside frame are closed as far as I can see. Nothing that 'was' open has been closed. Nobody 'took' anything from anyone.

  17. When can I print my contact lens? by 140Mandak262Jamuna · · Score: 1
    I have bad eyes. And the only thing that works is a gas permeable semi hard contact lens. Not the flexi use-and-throw kind. Nor the extended wear kind. I spend five minutes every morning diligently rubbing cleaning solution on the lens, wash it many times before changing my status from legal-blind to perfect 20/20 visionary :-)

    I just wish I could print a brand new ready to wear set of contacts every morning!

    --
    sed -e 's/Chuck Norris/Rajnikant/g' joke > fact
  18. People who predict desktop manufacturing by Sycraft-fu · · Score: 3, Insightful

    Are full of crap. While such a thing might be possible in the future, current 3D printers just make plastic models. Now that's nice and all, and there's plenty of uses for it (industrial prototyping is a big one) that is far from household manufacturing. They can't work with metal, never mind electronics. You don't just go and print out a cell phone or something.

    The only market that might possibly be threatened is the 3D miniatures market. Though I don't know how good they do at colour (all the ones I've encountered are monochromatic) so you might still need to paint things. Aside from that, there is little in the commercial space they threaten. They are extremely cool toys, but little more than that.

    In terms of home manufacturing if they gain the ability to work with metal, particularly multiple metals, which would require a major change in how they operate, then they could produce more useful items. If they made metal and plastic parts on a fairly fine scale, they could manufacture many every day items. However unless they could either work on the micro/nano scales that electronics work on, or in some other way make use of it (like be loaded with various kinds of chips to use) their market would still be really limited.

    They are nifty for making examples out of a somewhat weak plastic (it isn't super fragile but it isn't high impact) but a universal constructor they are not.

    1. Re:People who predict desktop manufacturing by TheSwift · · Score: 2

      They can't work with metal, never mind electronics.

      Not so my friend... http://www.foreignaffairs.com/articles/138154/neil-gershenfeld/how-to-make-almost-anything?page=show

      You'll people are already making parts to guns and master keys that can unlock anything from baggage padlocks to police handcuffs. Yes, these are probably laboratory grade 3D printers, but it won't be long before the public can get their hands on something similar.

      --
      "With patience a ruler may be persuaded, and a soft tongue will break a bone."
    2. Re:People who predict desktop manufacturing by Jeng · · Score: 1

      In terms of home manufacturing if they gain the ability to work with metal,

      Rather surprised no one has taken a mig welder and used that to do 3D printing.

      --
      Don't know something? Look it up. Still don't know? Then ask.
    3. Re:People who predict desktop manufacturing by Sycraft-fu · · Score: 2

      As I said about my idiot thing. No people are not makiing anything. They are making very few things.

      The only gun part I've seen made is the lower reciever to an AR-15. This is the part that takes the least stress, and is quite cheap (they cost about $50 for a basic stamped lower, $150ish for a nice mahcined one). This is not the business part of the gun. Go ahead and print a barrel and chamber, see how it does. Just be warned: It has to withstand about 63,000 PSI so good luck there. You try it, I'd make sure ti fire it remotely if you value your hands.

      Keys? So what? That is easy to do. We can make keys out of plastic, but we don't because they wear out too fast. That you can make a handcuff master key is not surprising: They ALL open on one key. This is by design. They are not meant to be perminant restraints, just temporary. The ability to open them is more important than maximum security.

      You have to understand I work in a building with labratory crade 3D printers. They are really cool. The objet spit out a little plastic wrech as a test, you can even adjust it and everything. However it is not going to replace our actual adjustable wrench on account of it not being nearly as strong as the steel one.

      Also, as I said, they can't do anything that is electronic, at all. Have a look at your devices, I bet most of them have an electronic component to them.

      Cool toys, not home manufacturing stations.

    4. Re:People who predict desktop manufacturing by confused+one · · Score: 1

      That's a reasonable idea if you can live with how coarse the results might be. minimum line width would be the weld seam width, which depends on the power, feed speed, and the wire diameter; and, control of position would depend on how consistently the arc stays on the line. You would also need a compatible metal base to start with -- You have to weld to something substantial enough to strike an arc on and maintain the arc, without blow-through, until you build up a couple of layers.

    5. Re:People who predict desktop manufacturing by Jeng · · Score: 1

      A bolt could be the "base" that the piece is welded to, but yes the final piece would need to be sanded down to make it smooth.

      --
      Don't know something? Look it up. Still don't know? Then ask.
    6. Re:People who predict desktop manufacturing by Lennie · · Score: 1

      How about Lego bricks ? I know Lego has patents, but what if I print Lego bricks for my own use and don't sell them ?

      --
      New things are always on the horizon
    7. Re:People who predict desktop manufacturing by confused+one · · Score: 1

      sanded? More likely ground. You won't be able to make small parts using a wire feed welder.

    8. Re:People who predict desktop manufacturing by Archon-X · · Score: 1

      Hey there.
      You're wrong (but this is not a bad thing - you're about to learn something cool!) - 3D printing extends to metals (powders that are laser fused) - from alumide to titanium - or combinding 3D printing in wax with the Lost Wax molding techniques, brass, bronze, gold and silver.

      Check it out! http://i.materialise.com/materials

    9. Re:People who predict desktop manufacturing by NatasRevol · · Score: 1

      Kids toys.

      No more Chinese labor & international shipping.

      --
      There are two types of people in the world: Those who crave closure
    10. Re:People who predict desktop manufacturing by compro01 · · Score: 1

      I am not aware of any current 3D printer that is capable of matching the extreme tolerances (±2 micrometers) Lego manufactures to.

      --
      upon the advice of my lawyer, i have no sig at this time
    11. Re:People who predict desktop manufacturing by Hognoxious · · Score: 1

      It's widely known that patents only forbid commercial distribution and not personal use. Also, BP stands for "British Petroleum" and the UK has no constitution.

      Anyway they'd be absolute babber, because the tolerances will be so wank that if they go together at all they'll either fall apart immediately or stick together till the sun blows up.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
    12. Re:People who predict desktop manufacturing by evilviper · · Score: 1

      You're pretty myopic about the whole thing. I can think of dozens of little plastic items I really wish I could get custom-made for me... All kinds of busted plastic bits in my car that it would be nice to replace, to a better shower nozzle, to latches for doors. Hell, here's a big one: how about smartphone cases?

      There's huge potential for 3D printing. You're obsessed with steel, but more and more of our products are made mostly out of plastic, and that's certainly where there's the most potential. Of course a 3D printer that works with molten tin (solder) isn't a bad idea either, but I expect most uses will be plastic.

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  19. Still looking for decent software though. by scorp1us · · Score: 1

    Blender doesn't work on my computer, but I could never figure it out anyway. (Maybe it's related to the viewport bug?)
    While the prices of printers have plummeted, capable software remains high cost. Most people I know what it for engineering replacement parts, which include screw threads, but working screw threads are almost impossible to get right unless you're also making the other side of the fastener as well. While free-form modeling programs are common, Anyone know of a good parametric program?

    I have experience in many CNC oriented CAD/CAM packages (SolidEdge) and other CAD packages (Rhino3D, Autocad), but I no longer have the access to these at work.

    --
    Slashdot's rate-of-post filter: Preventing you from posting too many great ideas at once.
    1. Re:Still looking for decent software though. by TheTurtlesMoves · · Score: 1

      Blender is not CAD anyway. I know of only commercial products that are really CAD capable. Its just a lot of work that the OS community has never really got stuck into. Perhaps because if you have a CNC machine, the software cost is not really a big issue.

      --
      The Grey Goo disaster happened 3 billion years ago. This rock is covered in self replicating machines!
    2. Re:Still looking for decent software though. by MojoRilla · · Score: 1

      Check out OpenScad. I found it pretty nice, at least for a programmer. There are thread models and other libraries available here.

    3. Re:Still looking for decent software though. by scorp1us · · Score: 1

      This is awesome! Thanks!

      --
      Slashdot's rate-of-post filter: Preventing you from posting too many great ideas at once.
    4. Re:Still looking for decent software though. by Anonymous Coward · · Score: 0

      open scad is the bomb for the technically minded.
      two nights ago i downloaded it and had produced this parametric model in about 2 hours:
      http://www.shapeways.com/model/722830/two-interlocking-cube-grid-things.html

      i'm a bit dismayed at the time it takes to compute the meshes sometimes.
      for example producing a grid-cube like the above with 10x10x10 cells instead of 3x3x3 would take maybe 6 minutes.

  20. Feels more like hype to me... by oic0 · · Score: 1

    Seems like rather than actually growing explosively, its being pushed very hard on /. I rarely hear a peep about it elsewhere.

    1. Re:Feels more like hype to me... by Anonymous Coward · · Score: 0

      Maybe they started printing explosives and

  21. Not just guns... by Radtastic · · Score: 1

    Ease-of-access to guns is just one aspect of technology that we'll just have to get used to. Destroying is always easier than creating, whether it be diy - firearms, diy - bioweapons, or diy - (insert your technology that can be used destructively here)

    --
    You stereotypers are all the same...
    1. Re:Not just guns... by ultranova · · Score: 1

      Ease-of-access to guns is just one aspect of technology that we'll just have to get used to.

      More likely it will be used as an excuse to ban 3D printing when it starts becoming good enough for complex machines. After all, it might cut into the profits of established manufacturers, and we can't have that.

      --

      Forget magic. Any technology distinguishable from divine power is insufficiently advanced.

  22. I'm sorry but... by Anonymous Coward · · Score: 0

    ...what are they useful for?

    I've seen all sorts of statements about how this is the second industrial revolution, people are going to be able to print medicines at home, etc. Such statements seem somewhat premature and misplaced. It's additive printing, of plastics.

    I can get that they'd be useful to hobbyists who want to make some custom bits of plastic to go with devices. Outside of that, I've not hugely seen the point. Maybe they might get some use in the automotive industry, where retaining spare parts for the lifespan of a vehicle starts to be a bit of a burden. That is, of course, for plastic parts which don't need to be particularly strong. Similarly for equipment repair of eletronics, replacing broken laptop parts, but it's all very niche.

    So what's left? Art objects for geeks?

  23. This is just the beginning ... by Anonymous Coward · · Score: 3, Insightful

    Remember the Altair 8800. http://en.wikipedia.org/wiki/Altair_8800

    The Altair was a pretty primitive and useless computer by today's standards but it was really the first personal computer. Looking at it, you wouldn't have predicted all the ways personal computers have changed our lives.

    The 3d printers we have now are primitive and fairly useless. Almost nobody 'needs' one. What about thirty years from now? I'm guessing than many people's lives will be transformed. Many tradespeople will see their industries upended. Old style sign painters had to face competition from unskilled bozos with personal computers and a vinyl cutters. Skills that took a lifetime to learn no longer provided a competitive advantage. The 3d printing revolution promises to be similarly wrenching.

  24. Re:Guns...NO by BoRegardless · · Score: 1

    People have made weapons out of blocks of stone, so we shouldn't build stone or concrete houses...?

    Fast 3D parts you can handle, feel, assemble and use, if at least done gently with many of the printer polymers makes analyzing what you can think of for design a very quick process, whether for play or production prototyping.

    Emphasis on guns, which is only partially possible is a joke. You still need barrels and other very highly stressed parts that can't be done by RP plastics. True there are RP titanium and stainless steel, but you don't do those materials on a $2000 desktop printer. Try a $500,000 SLS machine.

  25. So.. Will by delta98 · · Score: 1

    this finally separate us from the chimpanzee? Stay Tuned!

  26. The low-end machines still suck by Animats · · Score: 3, Informative

    I have yet to see a low-end 3D printer that works consistently. TechShop has an "Up" and several RepRaps, but it seems to take several tries to make anything, and nobody gets consistently good parts. The machines that work by laying down a strand of ABS from a heated nozzle (which is all the low-end machines) have trouble getting a consistent bond to the previous layer. The temperature at the bonding point is too critical and not well enough controlled.

    Somebody should try using some high power laser diodes to heat up the point where the ABS strands are fused. Those aren't expensive up to 2 watts or so. You only need a few watts, focused very tightly on the weld area. Welding is about applying heat to both sides of the joint in the weld area. The heated nozzle approach applies the heat on only one side, the new string approaching the weld. The material being joined to is cold. Of course the bond quality is poor.

    The UV-bonded powder machines work fine, but cost about $50K. Laser sintering machines seem to produce good results. The E-beam deposition approach reportedly works very well, but is even more expensive. But ABS through a heated nozzle, not so much.

    1. Re:The low-end machines still suck by Anonymous Coward · · Score: 0

      To add to your list I'm surprised nobody's tried to print fine clay (or an analog?) and bulk fire it in a gas/electric furnace or oven. Should be cheap and strong though the firing step might make it slow. Such an object made as a negative could be used to mold high temperature metals also.

      The possibilities are endless for bulk or selective post-processing of 3D printed objects - everything from mold-to-object negative/positive transformations to painting on colors or protective layers to chemical reactions (dip in water or heat or add some chemical) to mechanical machining for combined positive/negative printing to robot based manufacture combining different objects into more complex/larger parts.

      3D printing is going to be very big and I'm looking forward to seeing the results! :-)

    2. Re:The low-end machines still suck by MobyDisk · · Score: 1
  27. metal additive machine by confused+one · · Score: 1

    Right now all the cheap ones are only capable of making plastic parts. I'd like to see a low cost metal powder additive machine. I don't care if it's aluminum or titanium (cheap or expensive) base metal.

    1. Re:metal additive machine by WillAdams · · Score: 1

      Why not just mill a block of casting wax, then place that in a mold?

      --
      Sphinx of black quartz, judge my vow.
    2. Re:metal additive machine by confused+one · · Score: 1

      That's one way to go, but the same could be said of the additive manufacturing machines that use plastics -- why not just make a mold and pour molten resin or a two part mixture like epoxy or polyurethane. Another issue: making a metal part in a mold requires you have a kiln capable of melting the base metal and are willing to pour molten metal in your workshop. Not everyone wants to do that kind of hot work

      Truth be told, for my applications, I could simply throw a block of metal on a mill and make the parts I want -- and that's what I currently do. There are complex shapes that can be made with an additive process that can't be readily done with a subtractive process or by molding a single piece. So you end up making multiple parts and assembling the components.

      I'm envisioning a device that lays down layers of powder and sinters it with a laser. Yeah, I know it is commercially available but I don't want to spend 6 figures on the machine, just to play around and make small parts. I'd like to see one with cost on the level of a few thousand dollars. I don't care how slow it is... I can wait a day or two for a part. Seems like I've convinced myself to try to build one.

    3. Re:metal additive machine by Archon-X · · Score: 1
    4. Re:metal additive machine by confused+one · · Score: 1

      Yes, yes. I'm aware there are services that will print you off a unique part from a CAD model -- the company I work for has used them. They're using one of the 1/2 dozen commercial machines, cost to purchase running 6 figures. What I meant was I'd like to see a machine available at a low cost.

  28. I am getting so tired of this... by Anonymous Coward · · Score: 2, Interesting

    I know of a machine shop at a university which has several 3D printers -- why would you ever need a mill?

    These are commercial Stratasys units, over $60k each -- and yet their output is inaccurate (-maybe- good to 20 thou) and incredibly brittle and weak.

    People have ALWAYS been able to make things. This lowers the barrier of knowing how -- but the only people that have interesting things to make are those that know how to make them anyways.

    I have found the self-congratulatory nature of the whole Maker movement, because it is entirely hype-driven, around a bunch of inane projects that yes -- while they increase interest in electronics -- take a computer-science perspective on something far, far older. There are so many things done with an Arduino that only would need a dollar of parts, and it just makes me sad -- but sadder still that OH MY GOD THIS IS THE GREATEST THING EVER!

    Maybe I'm just an ornery EE...

    1. Re:I am getting so tired of this... by Anonymous Coward · · Score: 0

      Hype and mutual masturbation in a 3D printing story? No way! I also am highly dubious of the extraordinary claims of the daydream brigade. Rapid prototyping has been around for a long time. Renaming it to "3D printing" takes the "prototype" out of the equation, and then these scare stories about "3D printing guns" as if it were a credible threat just feed into the hype. Repulsive. For a crowd of supposed educated geeks, there is very little skepticism and a lot of PT Barnum going on here.

  29. Irrelevant. by Anonymous Coward · · Score: 0

    This post has nothing to do with the goal of banning closed-source and open-source software and promoting only 100% libre software. Therefore it has no right to be on /.

  30. Look to the crafting community. by jasenj1 · · Score: 1

    Check out
    http://www.silhouetteamerica.com/
    http://www.sizzix.com/shop/eclips
    http://www.cricut.com/
    and there are many other brands of 2D cutters used by the crafting community.

    The women who are really into scrapbooking, card making, and such will jump at the opportunity to make their own napkin holders, salt & pepper shakers, and other doodads.

    I expect to see http://www.etsy.com/Etsy filled with 3D printed items in a few years.

    - Jasen.

  31. invalid assumptions by HarryatRock · · Score: 2

    There are many reasons why I print my own pictures, cost being one factor, but artistic control of the process (especially in the use of "special" paper which a commercial printer could not use cost effectively) is more important. I use a Brother DCP 6690 CW printer fitted with a continuous ink supply system (think long range tanks) and I buy ink by the litre. The main cost for me is paper, and hand made 200gsm A3 paper is very expensive. For most work I use water colour paper and that runs to about £5 for 12 sheets of 10" by 14" depending on finish.
    Now translating this to 3D printing, I can see the use for "craftsman standard" devices in the production of intaglio or relief decoration and items such as masks, plaques etc., especially if I can apply true colour (24 bit) to the surface. I don't believe that current devices are capable of producing such items to the required standard of finish, but hope that they soon will.
    I think that we need to stop thinking about duplicating existing objects and see the technology as a means of producing novel products or novel forms designed to take advantage of the characteristics of the device, and especially to the production of "one off" or very limited "editions". How about a specially designed dinner service for that crucial business lunch?

    --
    nec sorte nec fato
    1. Re:invalid assumptions by Anonymous Coward · · Score: 0

      How much did you pay for that printer? I am only seeing it for $500-$1000 used/refurbished.

    2. Re:invalid assumptions by Anonymous Coward · · Score: 0

      Most people don't put anywhere near the amount of effort into their printing as you do. They'll pick up whatever printer, ink, and paper is available at their nearest electronics store and just use it. You seem to be the exception to the rule.

      As pointed out by in another comment, that's an expensive printer you're using. If grandma purchased that same printer she would have to print upwards of ten thousand photos or more to break even.

  32. Sounds like New Zealand. by Anonymous Coward · · Score: 0

    We have firearms regulations not unlike that.

    Hardly anyone is ever killed by firearms in NZ, and, when they are, it's almost always the result of a hunting accident, or suicide/suicide-by-cop.

    Go look up THOSE stats.

    1. Re:Sounds like New Zealand. by Anonymous Coward · · Score: 0

      Yeah. It is good living here because you know that if anyone walks into a MacDonalds carrying a machine gun, it's almost certainly only a toy or replica. The odds of people outside the army getting hold of weapons like that are miniscule.

      A mate of mine is always going on about how Kiwi crims are tooled-up with AK-47s and grenade launchers and shit, and NZ cops tremble in fear of them, but it's all bullshit. The last time I remember hearing of a crim killing a cop in NZ, the guy used an AIR RIFLE! The time before that it was a hunting rifle, and that crim was a licensed firearms holder (I think he was a deer shooter by profession).

      I'm not one for Big Brother controls, but I have to admit that strictly controlling weapons in NZ has definitely worked. Gun crime of the kind that is rampant in the USA is effectively non-existent here. We just don't have the desperate camo-clad automatic weapon fondlers and fantasists they do.

      The last one of those in NZ killed a bunch of people before the cops killed him (Google "Aramoana massacre"), and after that the laws were tihtened up even more. So, no more 'Soldier of Fortune' dreamers, sitting on their beds, stroking their M16s or whatever, telling themselves "I'll show them! I'll show *everybody*! One day... One day...", before going out and impressing hot women by killing children and unarmed policemen. (NZ cops are mostly unarmed, btw.)

  33. Re: by Anonymous Coward · · Score: 0

    Killing people has been illegal for a while now. Does it matter if its done with a beer bottle, a vehicle or a 3D printed gun?

  34. Being able to print workable guns by GLMDesigns · · Score: 1

    Being able to print workable guns would be a phenomenal technological feat. This is one more example of dangerous technology.

    --
    If you're scared of your govt then you need to further restrict its powers
    Vote 3rd Party in 2016 and beyond
  35. Explosive Growth in Interest - Maybe by Anonymous Coward · · Score: 0

    There has not been any explosive growth in 3d printing. Maker has recently made the community miffed by going closed source. A move driver by their stakeholders, I am sure. The problem is that they are alienating their core supporters in hopes to grow sales and prevent others from selling the same design. The prosumer market they are now targeted at just doesn't exist in a sustainable level imo. Sure you want to look ahead but you don't do that by sacrificing your core competencies which got you there in the first place. There also has been a backlash on thingiverse as it seems their TOS gives them the rights to the designs submitted to the site, something that should not exist in an open source community website. Makerbot will have it's place in the 3d printer market but they have seemed to make a big hole for real open source companies to move in. It looks like there are some new machine builders emerging and I am curious to see what www.zatopa.com is going to turn out to be.

  36. Re:not so expensive by HarryatRock · · Score: 1

    Just checked on Amazon
    Brother MFCJ5910DW Printer (Print/Scan/Copy/Fax)

    Price: £98.32 & this item Delivered FREE in the UK with Super Saver Delivery. See details and conditions
    Not quite the same beast, but ink system is available at £30
    Total cost about £130 or $210
    If your Grandma is called Moses, then that's just what she needs.:)
    Seriously, I replaced one A4 HP monochrome laser and two HP inkjets with one wirelessly networked printer which I could locate in the kitchen (easy to keep an eye on it, and that's where the coffee is kept). My model has two big paper trays and I can print a couple of hundred sheets before I have to "attend" to it. The ink tanks are clear, so I can check the levels as I walk past, and it's only a minute to pour some more ink in if needed. Full tank is 80 ml, or about four times what you get in a cartridge, so I never run out in the middle of a print run. To be honest, the A3 scanner is rarely needed, and I don't have or want a fax.
    You can get ink system for most Epson printers so I guess you can probably get a similar set up with one of them, but I can only report my own experience, and that's with the Brother. A few people have bought similar set ups after seeing mine, and all are happy with the results.
    As for picking up paper at an electronics store, you must be mad! Office supply if you want "photocopy" standard, but for decent prints to go on the wall in a frame you need acid free, Thank god Amazon does both, especially for those of us in rural areas. It is a major outing for me to go to my nearest "electronics store", takes at least an hour each way.

    Yes most people don't put effort into printing, and boy does it show.

    --
    nec sorte nec fato
  37. Re:Guns on base by warpuck · · Score: 0

    Which of these 10 statements Applies to the FT Hood Massacry? 1.) Because they have seen "Full Metal Jacket"? 2.) You give the recruit 99.9 % of the rifle to sleep with. (They don't work very well without firing pin.) 3.) You cannot have a black powder rifle or pistol on a military installation. 4.) You are required to store your rifle and pistol in the armory. 5.) You need the CO's permission to check your privately owned weapon out of the armory. 6.) You will carry this permission chit with you & the weapon must returned within the times specified or the MP's will be searching for you. 7.) If you live off base these rules do not apply. 8.) Don't get caught on base with a weapon and no weapons card for it. 9.) You need the commanders permission to store your weapon on base. 10.) Private gun ownership + military base = no go at this station.

  38. Replicator 2 is not Open Hardware by RockDoctor · · Score: 1
    According to various sources involved in the 3d-printer world, the makers of the Replicator 2 device have unilaterally taken it closed-source, including many contributions made be the Open Hardware community.

    I don't follow this scene too closely - I didn't have room at the old house to build a 3-d printer. But it's still on the agenda for the not too distant future. If you actually care about the ideas of Open Source (hardware, firmware or software), then you need to examine this question extremely carefully. There is a lot of sound and fury ; how much that signifies, I'm not sure. I was considering buying one of Caveat emptor, very much indeed.

    Links : 1, 2, 3 (with a lot of comments!)

    --
    Birds are not dinosaur descendants;birds are dinosaurs, for all useful meanings of "birds", "are" and "dinosaurs"