I started the Variation series in 2003 with Variation Wind. It ended up being a series of 9 different designs all using the same drive
mechanism but different satellite wheels to generate a fascinating variety of patterns.
2003
Variation-Wind
Variation-Stars
Variation-Fire
2004
Variation-Surf
Variation-Water
Variation-Fractal
2006
Variation-Jazz
2007
Variation-Zen
2008
Variation-Dream