How it works: The diagonal patterns created by the tiny squares distort the perception making the lines appear curved when they're actually straight.
If you like these optical illusions, you'll enjoy these Mind-Bending Optical Illusion Books
Skewed Checker Board Optical Illusion
Regardless of what your eyes tell you, all the lines in this pattern are perfectly straight.
Optical Illusion Image Gallery - Skewed Checker Board
Optical Illusions and Visual Puzzles
Watizzits? - Views-to-ConfuseProblem Postage - Spot the Difference PuzzlesAmbigrams - Topsy-Turvy Matchbox Art
More Optical Illusions and Visual Puzzles
Optical Illusions - The Missing PrincessSpot the Difference PuzzlesOptical Illusions - Checker Shadow Illusion
