Optical Illusions, Part I

September 30th, 2016

Café Wall Illusion

Are these rows of tile crooked?

Ehrenstein Illusion

Is this square really square?

Müller-Lyer Illusion

Which horizontal line is longer?

Ebbinghaus Illusion

How much bigger is the right orange circle?

Code is available on GitHub. Built with d3.js More illusions to follow.