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Topic: The Ambiguous Cylinder illusion
Message: Posted by: todsky (Jul 1, 2016 02:00PM)
Message: Posted by: Jim Wilder (Jul 6, 2016 03:48PM)
If you have a printer, paper, scissors, and tape, you can make something similar in about 5-10 minutes. Here is the link: https://divisbyzero.com/2016/07/06/make-a-sugihara-circlesquare-optical-illusion-out-of-paper/

Message: Posted by: FelixKraus (Nov 18, 2016 04:42AM)
NIce work, I will try to make one tonight.Thanks for the inspiration.
Message: Posted by: qkeli (Sep 22, 2019 02:03AM)
Hello, iím looking for those physical amiguous objects from Kokichi sugihara , especially the arrow and another one, do you kwow where can we buy te 3D version online please ?