Bulge Illusion



This is a variant of the Hering illusion, from Akiyoshi Kitaoka. Do you see a bulge in the center of this grid?





All of the checks are perfectly square and the lines are straight. Don't believe it? Drag your cursor over the image.



see also: ABC | Banana | Bulge | Bump | Circle | Diamond | Face | Grid | Layers | Monster | Ouchi | Shadow | Stroop | Table | White Home