A working plastic gun has been printed using a self-assembled 3D printer bought online, a nail and some household screws. A video on YouTube sees the Winconsin engineer behind the plans successfully shoot nine .38 caliber shots.

A working plastic gun has been printed using a self-assembled 3D printer bought online, a nail and some household screws. A video on YouTube sees the Winconsin engineer behind the plans successfully shoot nine .38 caliber shots.