This is the PM522 Washbear, the world’s first fully functional revolver made with 3D print technology. The gun uses .22LR bullets and has been completely made with ABS plastic parts.
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The Washbear also equips both 6 (reinforced nylon) and 8 shot (ABS plastic) cylinders. The weapon was crafted by a mechanical engineering student named James Patrick. He’s made the STL files for the gun freely available for download.
You’ll get a more detailed explanation about the gun in the video below. Jump to 4:16 for the live-action footage.
[Via: Popular Science / Digital Trends]
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