You are here: Homepage > Optical Illusions > Shape Optical Illusions > Ehrenstein Illusion

Ehrenstein Illusion

As usual you'll have trouble believing it but this is a perfect square. Because of the background with circles, your vision can't determine that the square is made up of straight lines.

Created by : Walter Ehrenstein

Current rating : 3.2 stars out of 5. (146 votes)
Rollover to rate this image :

Thanks for voting.

View top rated items.
View most popular items.

Amazon.com Widgets

Planet Perplex is a comprehensive collection of optical illusions, impossible objects, hidden images, puzzles and related images.
If you have questions, comments or additional information, please send it to
Copyright © 2008 Stefan Van den Bergh. All rights reserved. Affiliated with Interesting Illusions.
URL: http://www.planetperplex.com/en/item73
Last modified on Saturday, October 24 2009