whats known and unknown

Engineers Build The World’s First Real 3D-Printed Gun

on November 8, 2013


The Liberator, for all the hoopla, was not really a gun. This 3D-printed firearm, on the other hand, is a gun. It is a copy of a 1911 made using public-domain plans and a laser sintering system that solidifies metal powder. It fires just like a real semi-automatic pistol

The gun, created by Solid Concepts, is completely legal. The company has a Federal Firearms License and it’s trivial to find the blueprints online. The company created a 3D model of the 1911 and then simply blasted metal powder, heating it up and creating a solid, fireable item. The finished product needed a great deal of finishing including the removal of support material and modifications to the chamber. They laser sintered the nylon grips but used off-the-shelf springs and a store-bought magazine. They have used it to fire over 50 rounds so far.

“We made it to prove…

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