The Sawtooth Illusion

Ambiguous 29 March 2013 0 Comments

Sawtooth Illusion

This figure, created by Peter Ulric Tse,  may be interpreted as a series of ‘pyramids’ on the ground plane (pointing upwards )or as the ‘teeth’ of a saw that face the viewer and lie flush with the ground plane.  Can you see both interpretations?  Which one did you see first?