Deborah R. Fowler
Spinning Fun
Posted Dec 9 2015
Recently on Facebook I saw another post about optimal illusions. (see circle illusion and wave illusion for more fun as well).
https://s-media-cache-ak0.pinimg.com/originals/3d/82/5b/3d825b28e636b65951760f412d5519b5.gif
This looked like a fun thing to try in Houdini, so I did:
