This palm-sized quadrotor was drawn with a 3D printing pen - Geek

Posted on: Wednesday 21-05-2014
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3D printing pens are a lot more practical than you might have thought. Tools like the 3Doodler can be used to produce real objects just like a 3D printer — not just drippy sketches of things that you’d like to print on a larger device that costs 10 to 20 times as much.

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