Morning GeoGebra sketch. Moiré Patterns inspired by this post via Curiosa Mathematica.
[url]http://curiosamathematica.tumblr.com/post/98214338547/in-mathematics-physics-and-art-moire-patterns[/url]
More Moiré. [url]http://en.wikipedia.org/wiki/Moir%C3%A9_pattern[/url]
