Penny Catapult
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Penny Catapult
3D
Published 2015-07-09T10:11:19+00:00
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Descripción
http://www.zheng3.com/2012/05/15/the-penny-catapult/
Here's a basic torsion catapult. It uses one or more elastic bands to launch a U.S. penny if you print it at 1:1 scale. You probably won't get enough torque to be impressive with fewer than 3 bands.
Penny not included!
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| Date published | 09/07/2015 |
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