44052081698 http://1ucasvb.tumblr.com/post/44052081698/purple-wave-just-a-surface-based-on-a-sum-of 207 Purple Wave Just a surface based on a sum of...
Just a surface based on a sum of cosines changing phase. Nothing useful, but it was nice to look at. So here you go.
Rendered this while I was trying to figure out something about my next math animation.