Two autostereograms. One was created intuitively by Amy Ione using colored paper rectangles gathered using a punching device. The other is by Christopher W. Tyler, who invented the autostereogram.
Autostereograms
Two autostereograms. One was created intuitively by Amy Ione using colored paper rectangles gathered using a punching device. The other is by Christopher W. Tyler, who invented the autostereogram.