Quote Originally Posted by powair
Have you heard of the artist Luke Brown? He is well known in the visionary art community. He lives in that community also, his artwork is on the blotter paper.
http://spectraleyes.com/art.html
Stereograms are pictures you can see in 3D
Some consist of 2 pictures and you have to cross your eyes to see the 3d picture (takes a while to practice. And some consist of al kinds of weird patterns (and is actually 1 picture) and it's done in a way that when you cross your eyes en then zoom back slowly you can see depth in em (like shapes or forms or even a tekst)

Whitenoise rocks