Examples of geometric-optical illusions. Upper row: (a) Classic

10 Cool Optical Illusions to Try

Jiri WACKERMANN, Retired, Dr. phil.

The Best Optical Illusions and What They Reveal About Our Brains

Modeling geometric–optical illusions: A variational approach

An Ocean Wave Illusion, Geometric illusions#

Hot Spot Rhombus Metal Print Optical illusions art, Optical illusion quilts, Geometric design art

Bad Astronomy, An optical illusion that will zigzag your brain

Optical Illusion Science Projects

A Neat Geometrical Illusion: The Scintillating Starburst, by Gianni A. Sarcone