After Klee - Variations
Paul Klee (Swiss, 1879 – 1940) - Variations (Progressive Motif), 1927
First seen for me at wobble's tumblr:
http://wobbles.tumblr.com/post/116980196494
The segments are set in harmonic spacing, randomly positioned in each square.
Some of my patterns at: http://mathhombre.tumblr.com/post/118563209359/paul-klee-swiss-1879-1940-variations
More GeoGebra at bit.ly/mh-ggb