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Skewed Checker Board Optical Illusion

By , About.com Guide

Regardless of what your eyes tell you, all the lines in this pattern are perfectly straight.
Optical Illusions - Skewed Checker Board

Optical Illusion Image Gallery - Skewed Checker Board

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

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