It appears Martinez was not selling ghost guns but is “some sort of 3D printer hobbyist” — though a book detailing how to use the printers to make money was found in his apartment ...

Military models are great 3D printing projects, even more so if they are somewhat functional. [Flasutie] took it a step further by engineering a 3D-printed howitzer that doesn’t just sit pretty ...

"Ikea-like step by step" guides to 3D gun making are undermining UK firearm laws, one concerned MP has said. It comes after ...