deke.com posts about checkers

Creating a "Magical Checkers" Illusion

Deke takes a crack at dekeConstructing another optical illusion in Adobe Illustrator

Deke's Techniques 190: Op Art Experiment 1a: Inflated Checkers in Photoshop

This week, Deke takes a Photoshop journey in to the eye-bending world of op art, creating a Bridget Riley-inspired twist and bulge of checkerboard contortion.