Author: Staff Writer

Remember Napster or Grokster? Both services allowed users to share computer files – usually digital music – that infringed the copyrights for those songs. Now imagine that, instead of music, you could download a physical object. Sounds like something from a sci-fi movie – push a button and there’s the item! But that scenario is already becoming a reality. With a 3D printer, someone can download a computer file, called a computer-aided design (CAD) file, that instructs the printer to make a physical, three-dimensional object. By Timothy Holbrook Because CAD files are digital, they can be shared across the internet on file-sharing…

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