Stereoscopic images : or "anaglyphs" give depth to your image through highly specific processing and the use of special 3D glasses. For immediate use, we have put together a "2 in 1" kit:
A “3D glasses” film is fixed directly to the back of the visual.

Stereogram : Is a technique for hiding a 3D shape in a picture. The reader stares at the picture and then progressively moves the image further away. The hidden image will soon appear!