The Banya Effect

Repligator turns your image into an optical art painting by Victor Vasarely...

The image above is used as an original. The Banya Object Effect turns it into:

 ...or... 

See also the Bridget Riley effect and the Op-Art effect.

The effect can also be used as a background frame, as Toni Pratt shows in this image:

Victor Vasarely (1908 Hungary -1997 France) was a leading pioneer of optical art (op-art) painter in the 1960s and 1970s. Vasarely was interested in visual perception and the creation of ambiguous images using precise geometric principles.