674 Drawing a classic “café wall” illusion

- Hey gang, this is Deke McClelland.…Welcome to Deke's Techniques.…This week, we're in Illustrator by the way,…wherein I am going to show you how to create…a classic cafe wall illusion,…so-called, because a couple of guys noticed this illusion…in the tiles of a cafe wall in at the bottom of…St. Michael's Hill in Bristol, England.…How's that for trivia?…And before that it was known as the kindergarten illusion,…but whatever you want to call it,…even though the lines appear to be slanting…in one direction or other, they're absolutely horizontal…and parallel to each other.…

And I know you look at this and go, no that's not true.…It is.…Here, let me show you exactly how it works.…Alright, here's our final cafe wall effect,…opened up inside Illustrator.…We're going to start off inside this document…which contains center guides and nothing more,…one vertical guide and one horizontal guide…right through the center of the document.…Alright, I'm going to create a new layer in which to draw…by switching over to the layers panel,…