Piczo

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~~Escher~~
Escher was a famous artist that was really into optical illusions and math.   He also did a lot of tesselation.   That's when a shape fits together perfectly with itself. If you ever get to see bigger better pictures of these try to figure them out, or see the illusions!

<--that's tesselation
<---see the fish in the negative space(apparently unused space)?
<-------see the bird?