Designer Releases A 3D-Printed Revolver

 Engineering student James Patrick has built a working 3D-printable revolver that uses a rubber band and a nail to fire .22 bullets. The revolver can hold six or eight bullets and moves the cylinder from position to position after each shot. Patrick has built in a protective system that keeps the gun from firing when dropped. His last project, called the Songbird, a single shot model, is… Read More