Penrose Triangle

Escher_Waterfall.jpg

escher_stairs.png

"Mr Escher's office please"
"Up the stairs, keep turning right"
@MooseAllain

In Real Life

Accidental Escher

Cartoon

escher-get-your-ass-up-here-new-yorker-cartoon.jpg
New Yorker Cartoon By Robert Leighton

Logo Version

Animated

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External Links

 

Logo + Turtle graphics via Papert.