As 3D printing technology improves, new and innovative uses for the machines are being thought up all the time. From new body parts to working guns, here are a look at some of the most surprising 3D printables.
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Scientists used 3D printing to merge tissue and an antenna capable of receiving radio signals.
Japan's 3D computer-aided design venture Fasotec employee Tomohiro Kinoshita displays a nine-month fetus and mother's body image, made of two-color acrylic resin at the company's headquarters in Tokyo, Nov. 26, 2012.
Expectant parents in Japan who can't wait to show the world what their baby will look like can now buy a 3D model of the fetus to pass around to their friends.
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In May 2012, University of Texas law student Cody Wilson, 25, become the first person to successfully fire a real bullet from a gun that was created on a home 3D printer. The gun is mostly made of plastic, with the exception of two metal pieces: a metal firing pin and a six ounce piece of steel that is required by law under the Undetectable Firearms Act.