More to explore:
Cube Optical Illusion
floating cube illusion
The random off topic gif thread that is allowed to happen! - Page 9
Well, this makes it much clearer… | 17 Mind-Mangling Optical Illusion GIFs
Hold your lunch. It's like it's pulsating! ........optical illusion
The impossible cylinder (a double-twist Moebius ring)
ISTHISART_117 by Dihav-Gnaro, via Flickr
The First 10 Animated GIFs That Show Up When You Search "GIF" On Google Images
Google+ That can't be much fun.
I could lose myself in this design for hours.
do you see the optical illusion? >> Very cool
I looked at this for a while and love it. Great illusion.
Holy cow that's weird! Worked best for me in a dark room, looking up at the ceiling. Freaky.