New York state lawmakers and law enforcement officials are pushing for a bill that aims to curtail the spread of homemade ...

Solid Concepts, one of the world’s largest rapid prototyping outfits, just printed a gun ... architectural models, and stuff that doesn’t get past the prototype stage. This 3D printed 1911 ...

where Granat and Fritz were using a 3D printer to make hundreds of “machine gun conversion devices” (MCDs). Granat and Fritz sold the devices nationwide and shipped them out in toy LEGO boxes ...