They are or not parallels?

Author
OSjerick
View Count
1422
License
Creative Commons CC BY 4.0
Abstract

The perpendicular lines that do not match row to row create an illusion of the lines between them being not parallel.

Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.

Click the Illusions tag below to see more!

They are or not parallels?