Spirographs are a unique form of light painting where a mesmerizing patterns is being light painting into the sensor. It is kinda the adult version of this kids art game. Interestingly, Spirographs are really easy to create and only require a flashlight, a camera and a dark room.
Jason D. Page just put together a complete guide on creating those magical being. Here is a quick 3 steps guide followed by Jason’s full guide.