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Useless Machine Arm

Useless Machine Arm

thingiverse

This arm is for a DIY Useless Machine, featuring a switch and motor that trigger the lid's opening and an arm swinging out to shut down the machine before retracting. Despite its simplicity, this amusing gadget delights everyone who tries it. The concept of the Useless Machine can be found in Make Magazine and various instructables; it is not my creation. For a video demonstration, visit http://www.youtube.com/watch?v=kWip--0hRCI&feature=youtu.be.

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