Stereograms also known as Single Image Random Dot Stereograms(SIRDS) or Single Image Stereograms(SIS) are flat two dimensional images, but when viewed correctly they will produce a three dimensional effect.
There are eighty images in this application, each one has a totally different 3D image to see. Tap on the screen to reveal a scrolling selection of thumbnail images, tap on any of the thumbnail images to see the full screen stereogram.