Animated Café Wall Illusion

Mouse-over to start animation. On tablet/smartphone: Click here.

x:

m:

begin:

repeatCount:

The Café Wall Illusion In the start position the horizontal gray lines looks skewed. When turning blue or sliding right-left it is clear they are horizontal. SPDX: CC-BY-SA-4.0 © by hans@schou.dk 2025

cafewallanim.svg
Café Wall Illusion

Explanation of the illusion Validate HTML