Opprints Visual Illusions

Gallery of Visual Illusions

Simple Illusions

These are simple visual illusions. You may have seen some of them before. Click on the picture or the link below it to view the illusion.


Illusory contours

These contours don't exist.


Gestalt groupings

Some Gestalt groupings.


Moving Moirés

Moiré patterns are produced when two geometrically periodic patterns are superimposed. These animated moiré patterns illustrate the phenomenon.


Stereokinetic effects

These rotating patterns yield an appearance of depth — this has been called the stereokinetic effect.


Op-tical Illusions

These are op-tical illusions.


Op Art

This is the Op Art section.