Zootrope variation

Very impressed by the design of the horses,
http://www.thingiverse.com/thing:584516
I decided to make a simple but reliable setup for the synchronization of the illumination.
The stepper motor could be a geared DC motor as well, depending what you have in stock. However, a geared DC motor gives a more stable view. The motor runs at constant speed. Th the small neodymium magnets trigger a Hall sensor. If your printer is big enough, you could make the rods for the horses a bit longer and rotate