Slashdot Mirror


The 3D Economy — What Happens When Everyone Prints Their Own Shoes?

cold fjord writes: "According to Reason, 'Last May, Cody Wilson produced an ingeniously brief but nuanced manifesto about individual liberty in the age of the ever-encroaching techno-state-a single shot fired by a plastic pistol fabricated on a leased 3D printer. While Wilson dubbed his gun The Liberator, his interests and concerns are broader than merely protecting the Second Amendment. ... Wilson is ultimately aiming for the 'transcendence of the state.' And yet because of the nature of his invention, many observers reacted to his message as reductively as can be: 'OMG, guns!'... But if armies of Davids really want to transcend the state, there are even stronger weapons at their disposal: toothbrush holders, wall vases, bottle openers, shower caddies, and tape dispensers. ... In many ways, it's even harder to imagine a city of, say, 50,000 without big-box retailers than it is to imagine it without a daily newspaper. So perhaps 3D printing won't alter our old habits that substantially. We'll demand locally made kitchen mops, but we'll still get them at Target. We'll acquire a taste for craft automobile tires, but we'll obtain them from some third party that specializes in their production. Commercial transactions will still occur. But if history is any guide, more and more of us will soon be engaging in all sorts of other behaviors too. Making our own goods. Sharing, swapping, and engaging in peer-to-peer commerce. Appropriating the ideas and designs of others and applying them to our own ends.'"

17 of 400 comments (clear)

  1. So far away by Anrego · · Score: 5, Insightful

    I have to imagine that the climb to that level of 3D printing (assuming we ever get there) will be so gradual that society will have plenty of time to adjust.

    1. Re:So far away by DerekLyons · · Score: 5, Insightful

      I doubt it will ever get there... not everyone cooks or even microwaves their own food after all.

      And that's without pondering whether we'll ever get a 3D printer that can print all those things that require so many different characteristics (I.E. so many different materials) - and still be cheap enough to be affordable to the average consumer. The average 3D printing fanboy seems to seriously lack a grasp of just how far we are from practical large scale 3d printing.

    2. Re:So far away by drkim · · Score: 4, Insightful

      When 3D printing becomes fast, cheap and ubiquitous, the makers of Lego, and the makers of crappy plastic keychains will have to find another business.

      3D printing won't start out competing with uniform, mass-produced, molded plastics.

      Where 3D printing will make it's commercial inroads will be in custom ergonomic products; custom shoes that fit your scanned feet, armrests for you chair, gloves, glasses frames that fit your face perfectly, headrest for your car, coffee cups and glasses molded to your hand, pads for your headphones and ear buds, pens and computer mice that fit your hand perfectly, etc.

  2. Amazing by rasmusbr · · Score: 5, Funny

    So if I understand this correctly, thanks to the 3D printer we will soon have access to affordable items made of plastic.

    Wow, it's difficult to even imagine what the world will be like!

    1. Re:Amazing by itsdapead · · Score: 4, Insightful

      So if I understand this correctly, thanks to the 3D printer we will soon have access to affordable items made of plastic.

      Actually, make that less affordable items made of plastic, since buying and maintaining a domestic-size 3D printer and keeping it fed with raw materials is almost certainly going to cost more per item then buying mass-produced stuff. That's without factoring in the time needed to load up the printer, trim and assemble the output etc (So, how long is it going to take your home 3D printer to grind out a soap dish, shower nozzle, curtain rail, 20 curtain rings... and how much hand-finishing will they need?) When 3D printing technology evolves beyond making simple plastic widgets very slowly, you'll bet that factories will be installing industrial-strength ones that can turn out items at 1000 times the rate and at 1/1000 of the cost of your home printer...

      --
      In a survey of 100 programmers, 111111 thought that duck-typing was a good idea.
    2. Re:Amazing by mtippett · · Score: 4, Interesting

      Well for commodity items - I get your point. However, my personal experience is owning a house that has a really unusual shelf pegs. Unusual in that they are simply not available. I ended up modelling them and using shapeways to print them. What I made is up at https://www.shapeways.com/shop....

      The cost, was about $2 per peg - which is about the same cost as low run retail products at home depot.

      3D printers will make it affordable for extremely low run prints. For spare parts and out-of-production items it removes a lot of obsolescence.

  3. Never going to happen by areusche · · Score: 4, Insightful

    Unless 3D printers can start molding metals, rubber, paint, and various other base materials then this is a non-issue. The article reads like 3D printers are going to become Star Trek replicators and somehow end the concept of branding. They're useful for fabricating small unique plastic parts, not making a stove, Benz, or Macbook Pro.

    1. Re:Never going to happen by drkim · · Score: 4, Informative

      Unless 3D printers can start molding metals, rubber, paint, and various other base materials then this is a non-issue.

      They are already doing this - just not at the 'home' level...

      Alumide, Steel, Sterling Silver, Brass, Full Color Sandstone, Ceramics...

      http://www.shapeways.com/mater...

  4. Re:Automobile tires? by jklovanc · · Score: 4, Insightful

    Show me a 3D printer that can print the following and maybe that can print a tire;
    1. Different vulcanized rubbers for tread abd side wall. Currently there are no 3D printers that can print vulcanized rubber.
    2. High tensile strength steel wire for the tire bead. Metal printing can be done but tempering is difficult especially when it is next to rubber.
    3. Long Nylon fibers for the strengthening plies.
    A tire is actually a very complex object requiring many different materials most of which can not be 3D printed.

  5. Watch "how it's made" first by caseih · · Score: 4, Insightful

    Seriously before we go off in a discussion of how 3d printing will change everything, it'd be helpful to first understand how modern things are actually made, currently. When people talk about printing car tires, I just laugh. They don't have a clue what's inside a tired. I highly recommend watching "how it's made." then we can talk about what 3d printing is good for. I think 3d printing will revolutionize things but maybe not in the way most people think.

    Creating moulds, tooling, prototypes, one offs, that's where 3d printing is hitting its stride. Or maybe structural plastic manufacturing. But complicated items like tires always will be complicated involving many materials and many construction techniques and steps.

    1. Re:Watch "how it's made" first by bkmoore · · Score: 5, Interesting

      ....Or maybe structural plastic manufacturing....

      Structural plastic developer here, three years of professional experience in this area. The problem from a purely structural standpoint is that 3d printing cannot print fibre-reinforced plastics. There has been some preliminary work on this at the Frauenhofer Institut in Stuttgart, Germany. http://www.ipa.fraunhofer.de/ Their solution is running a nylon thread through the printer nozzle. For this, they have a spool of thread and a mechanism similar to a sewing machine on the printer head. This creates a part with a continuous thread that is oriented in the raster pattern traveled by the printer head. But the part does not have the characteristics of an injection-molded fibre-reinforced part, which would have many small fibers with many various orientations. I visited the site personally and saw their research first hand. They still have some technological problems to work out. For example, I don't think they understand shrinkage fully and would have a hard time complying with engineering tolerances. But for a quick prototype, more than adequate. Prototypes can be made to fit. ;-)

      I won't go into material cost. Any industrial 3D printing outfit, that's halfway serious about what they do, would use raw granulate and not buy cartridges. But the main short coming of 3D printing as opposed to injection molding in a production environment is the cycle time. A complex part with tight tolerances (TG 3 after DIN 16742) of around 100-200 Gramms in an fibre-reinforced PA6 or PA12 can be injection molded in about two to three minutes, depending on injection temperature and cooling time in the mold, etc. The actual injection time is around one second for a reference. Otherwise material hardens during the injection process. The time required to print the same part would be many hours or even a day or more, depending on the printer used. I was at a 3D outfit and showed them a simple part of less than 10 Gramms. It would have taken in their estimation 30 minutes to print. Not good for mass production.

      Where 3D printing is actually useful is generating rapid 3D prototypes or for doing custom parts in non-reinforced plastics. But custom parts, if they do wind up in the hands of a customer, aren't of good enough quality for my company to sell without hand-finishing to at least simulate the surface finish and texture of an injection-molded part. Acetone can be used here to make a smooth surface finish. Costs are high, but less than the cost of making a mold for a one-of-a-kind part. Alternatively custom parts can be made the old-fashioned way, that is by hand.

      Usually the marketing people want the 3D parts more than the developers. Sometimes we use printed parts in development prototypes for parts where we haven't gotten around to making a prototype mold for. But these parts have limits, they usually cost a lot and if I need a high two digit or a three-digit-quantity, it's usually much cheaper to make a prototype mold. But sometimes it's difficult to convince management of that, which is probably a common problem. But after a couple of projects, the management's starting to come around to my point of view on this.

  6. Oh for the... by Ignacio · · Score: 5, Funny

    What happened to supermarkets when people started being able to grow their own food?

  7. Stupidity by jklovanc · · Score: 4, Informative

    Thanks for all the stuff, Foxconn, but we get our gadgets from Pirate Bay and MEGA now.

    I really hate these kinds of articles. Foxconn mainly makes electronics like iPhones. There is no way to 3D print an iPhone. The glass can not be printed, The circuit boards can not be printed. The chips can not be printed. Lets get down to reality. 3D printing can make plastic objects and metal objects from a very limited range of material. Most objects we buy use other materials. Where they work they work very well but there are more things than can not be 3D printed than can. Many items that can be 3D printed are still much more economical to produce using conventional methods. For example a stainless steel mixing bowl can be 3D printed but it would take quite a while on a very expensive printer to make one and then would need to be polished. Using presses one could stamp out hundreds in the same time. Just because one can does not mean it is economical.

    This whole "3D printing will change the world" meme is just stupid. Will some things change? Sure. Will a significant portion of manufacturing change? Not likely.

  8. Re:Automobile tires? by Jeremy+Erwin · · Score: 4, Funny

    Assuming you could do all that, there'd be a massive safety concern as well.

    You may have concerns about safety. But the people who subvert the evil tire cartel may not. To attempt to impose your narrow view of "safety" upon others is the very essence of statism.

  9. Re:eye glasses by Animats · · Score: 4, Informative

    It's amazing that one company has been able to obtain 80% market share in eyeglass frames in the US. It's not like they're hard to make. Frames start at $0.60 on Alibaba.

    For really cheap glasses, you make them round. Ordinary lenses have three parameters - spherical radius, cylindrical radius, and cylinder axis. For round lenses, only the first two matter; the third is determined when the lens goes into the frame. So there's a briefcase-sized kit used in India with a set of standard round lenses moulded from polycabonate, standard round frames, an adjustable temporary frame for the eye exam, an eye chart, and a little gadget to notch the lenses to keep them from rotating once the desired cylinder axis is determined.

  10. Re:Automobile tires? by Anonymous Coward · · Score: 5, Insightful

    This is what people that think 3D printing will take over the world fail to realize.

    THE MATERIAL PROPERTIES ARE MORE IMPORTANT THAN THE SHAPE

    You cannot 3D print out high tensile strength steel wire, because that strength comes from the orientation of the atom and molecules. That orientation is achieved by drawing it through a die.

    Same the polymers that make up the Nylon wire.

    Also the strength in a tire also comes from the directions rubber sheets are applied in.

  11. Not necessarily by rsilvergun · · Score: 4, Interesting

    the problem is instant manufacturing. It won't be a 3D printer in your home, it'll be one at the store. That'll be doable in my life time. Heck, some officemaxs already have 3D printers, and there's a little commune of hobbyists doing 3D printing too.

    It means the end of an entire industry of logistics, shipping, etc. That combined with automation (most factories employee less than 100 people unless they're paying subsistence wages) is going to cause huge social upheaval.

    --
    Hi! I make Firefox Plug-ins. Check 'em out @ https://addons.mozilla.org/en-US/firefox/addon/youtube-mp3-podcaster/