Optical illusions give fascinating insight into how our brains work.

Creating illusions is a popular art form, and theres even an annualBest Illusion of The Year Contest.

Winning first prize, Japanese Professor of EngineeringDr.

2D Schröder Staircase

Kokichi Sugiharacreated a 3D model of aSchroder Staircase.

The original, 2D version was published in 1858 by German natural scientist Heinrich G. F. Schroder.

The drawing of a staircase can appear differently, depending on where you rest your eyes.

As a result, we perceive new ambiguity, which is different from that of the original Schroeder Staircase.

Check out Sugiharas winning optical illusion below, plus some of the other top entries from the competition.

Japanese Professor of Engineering Dr. Kokichi Sugihara created a 3D version of the Schroder Staircase optical illusion.

It won first prize in the 2020 Best Illusion of The Year Contest.