Magic illusion turntable

https://youtu.be/jOCqvQnC3Rc
This turntable is designed as a desktop gadget to animate the optical illusions by Kokichi Sugihara visualized in
http://www.thingiverse.com/thing:1657791
by drjames.
This example is customized by:
http://www.thingiverse.com/thing:1665499
Push the button until you hear the microswitch release and the platform will rotate 180 degrees. The base houses a low RPM geared DC motor, a micro switch, a push button and a 9 volt battery. Solder the wires as close as possible to the body of the microswitch and cut off the remaining part of the contacts. In this way the microswitch will be flush with the base. The switch lever can be bend upwards to ensure proper functioning. During installation, the switch has to be pressed down by a piece of carton or tape to prevent the motor from running. Solder all the wires before placing the components and make sure the wires run properly through the channels.
The motor opening has to be brought to size by hand with a 1