Website: thingiverse
Author: pcdangio
Price: Free Download
File format: .Stl 3d printable
Description:
This is a 3D-Printable “Useless Machine”. Hit the switch, and the useless machine uses a tiny arm to switch itself back off. These are popular gag gifts, and make for a great desk toy! You can print this one yourself, and the parts are really cheap. Check out the instructions for a parts list and assembly steps. https