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I designed this arm for a DIY Useless Machine. The useless machine is a simple box with a switch and motor, when you turn on the switch the lid opens and the arm swings out and turns off the machine and then retracts. It is so simple but brings a smile to the face of everyone that tries it. The Useless Machine was not created by me, it can be found in Make Magazine and in numerous instructables.
You can find the youtube video here showing the complete device! http://www.youtube.com/watch?v=kWip--0hRCI&feature=youtu.be
Useless Machine Arm by electronhacks is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure electronhacks would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!