How many impossible objects can you find in this fantastic engineering drawing? How many outlandish specifications do you see?
There are 3 impossible rings, 1 impossible square, and the Devil's Trident. Can you identify all five objects? Feel free to submit this plan to your engineering department. It should keep them busy for a long, long time... :-P
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One Response to Engineer's Nightmare Optical Illusion
i don't see any illusion ?!
it all makes sense!