How to Make a Three-Pendulum Rotary Harmonograph
posted by Wolfdog on Mar 21, 2010 - 10 comments

The Harmonograph is a device that translates motion into drawings called Lissajous curves or just harmonograms. Build your own or just check out the various online emulators. [Java required for emulators]
posted by Gyan on Mar 5, 2005 - 10 comments