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The Liberator is fully 3D printed, except for a single metal nail: https://www.vam.ac.uk/articles/the-liberator-the-worlds-first-3d-printed-handgun https://www

• cheald 1y ago
  And it still requires assembly, is sensitive to tolerances, and is functionally a plastic zip gun - an inferior variant of what you could easily produce with nothing more than a trip to your local hardware store. A better comparison is the FGC-9, which is specifically designed to be manufacturable without access to any regulated parts, and even then there's quite a bit of specialized materials sourcing and assembly that has to be done (including rifling your own barrel out of hydraulic tubing using electrochemical machining). The story that people are just rolling fully-functioning firearms off of their 3D printer is a tale told to frighten hoplophobes.
  • JohnFen 1y ago
    This is what always bothered me about the "gun printing" thing. It's always been really cheap and easy to build a zipgun. When I was in grade school, there were even kids who got in trouble for building them in shop class. 3D printing is a worse way to do something that has never been hard to do.