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News Link • 3D Printing

Click, print, fire: Grand Rapids startup hits accelerating 3D printed weapons market

•, By Garret Ellison
 Today, he’s relying on a similar process to develop Sintercore, a business gaining notice in weapons manufacturing circles for its debut product - a tiny gun accessory that represents a big leap for a controversial technology that experts think may revolutionize the way goods are made and delivered.

“People can’t believe it’s not plastic,” said Brace, a 26-year-old Grand Valley State University business management graduate and former U.S. Marine, holding a small metal muzzle brake that was not machined or cast, but was printed.

Called the Auxetik (aug-ZE-tic), the small part, which fits on the barrel of an AR-15 semiautomatic rifle, features intricate internal geometry that helps reduce the recoil on one of America’s most common firearms, a commercial application highly desirable by police departments as well as gun enthusiasts.

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