But the 27-year-old Japanese man arrested last week for allegedly owning illegal 3-D printed firearms did more than simply download and print other enthusiasts designs. He appears to have created some of his own.
Among the half-dozen plastic guns seized from Yoshitomo Imuras home in Kawasaki was a revolver designed to fire six .38-caliber bullets–five more than the Liberator printed pistol that inspired Imuras experiments. He called it the ZigZag, after its ratcheted barrel modeled on the German Mauser Zig-Zag. In a video he posted online six months ago, Imura assembles the handgun from plastic 3-D printed pieces, a few metal pins, screws and rubber bands, then test fires it with blanks.