Skull Optical Illusions by István Orosz

István Orosz is a Hungarian painter, printmaker, graphic designer and animated film director. He is known for his mathematically inspired works, impossible objects, optical illusions, double-meaning images and anamorphoses. The geometric art of István Orosz, with forced perspectives and optical illusions, has been compared to works by M. C. Escher
(Wikipedia)

(via Ian Brooks)