Lightpainting Interval Exposure Tool

This is a tool designed to be used in long exposures. It spins a disc with open segments in front of a camera lens to interrupt a long exposure in intervals. This creates a unique look in light trails and any other technique used in lightpainting.

This tool uses a geared 12V dc motor with around 720RPM with a standard PWM controller.
The controller potentiometer knob is mounted outside the box along with a power plug and a switch for power. The discs are separated to be printable but need at