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Homemade 3D guns in US stir more buzz than bang

A Liberator pistol made on a 3D printer is shown July 11, 2013. The single-shot handgun is the first firearm that can be made entirely with plastic components forged with a 3D printer and computer-aided design (CAD) files downloaded from the Internet.Like many Americans, Travis Lerol has owned guns for much of his life, but the single-shot Liberator he made himself in his basement with a tabletop 3D printer is unique. For one thing, as a firearm, it leaves something to be desired.