But these pieces also attempt to maintain the planar illusion of Smith's previous sculpture. Wagon I teases the viewer with a very full three dimensional, melonlike form in the center of the ...

"3D Schröder Staircase," created by Japanese mathematician Kokichi Sugihara, puts a new spin on the classic illusion with a three-dimensional model. From two different viewpoints, Sugihara's ...

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The illusion is created by a giant mirror positioned at a 45-degree angle over a house facade on the ground. The mirrored effect looks like a three-dimensional house in photos, so participants can ...

this pavement artwork looks like a three-dimensional fossil when viewed from a certain angle. It is a recreation of the Rutland ichthyosaur - the largest and most complete fossil of an ichthyosaur ...