Optical illusion GIF from 1722 geometry book




Very nice and all, but how is it an optical illusion? Am I missing something?


You took the words right out of my mouth. This is just a compilation of geometric patterns in sequence.


Not an optical illusion, but it is very life-like!


Now try Truchet Tiles

And from there...


Optical illusions, tanks: this is the era of new meanings. Forget what dictionaries told you. And don't forget to share on Faceter, Pinterchat, and MyTwit!


So I'm totally ignorant on this, but wouldn't he find Ant Country, given time?


It's a sailboat! No, a dolphin!



Never mind the GIF -- wouldn't it be cool to use all of these as quilt blocks? I'm sure some of them already are.


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