3D Printing May Face Legal Challenges
angry tapir writes "A coming revolution in 3D printing, with average consumers able to copy and create new three-dimensional objects at home, may lead to attempts by patent holders to expand their legal protections, a paper from Public Knowledge says. Patent holders may see 3D printers as threats, and they may try to sue makers of the printers or the distributors of CAD (computer-aided design) blueprints, according to digital rights group Public Knowledge."
Yeah.
Now, I don't remember if bringing up Cory Doctorow is a good or bad idea, but he's written the short "Printcrime" that would be relevant to this topic:
http://craphound.com/?p=573
Some of my favourite people are from th US; Vonnegut, Chomsky, Bill Hicks.
There are actually 3D printers that can do metal, with a sintering process.
http://www.shapeways.com/about/metal-3d-printing