3-D Cross-eyed Art by Greg J. Badros
To see these images in three dimensions, you must cross your eyes so that
the two images merge. Since the images differ only slightly, your mind will
combine them, and you will perceive depth. This process does take some
practice.
Balls
Can you tell which one is closest?
Lines
Well, I said they were simple, didn't I?
Greg J. Badros / U Washington Computer Science and Engineering / gjb@cs.washington.edu