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Sep 17, 2021 at 1:25 comment added Buzz Escher did that particular tessellation in both hyperbolic and elliptical geometric—the Poincare disk in "Circle Limit IV" shown in the question, and a spherical wooden sculpture (reproduction shown here: mcescher.com/product/sculpture-sphere-angels-devils ).
Sep 16, 2021 at 14:28 answer added Siddarth Bhavikatti timeline score: 1
Mar 10, 2017 at 9:42 history edited CommunityBot
replaced http://philosopherdeveloper.files.wordpress.com/ with https://philosopherdeveloper.files.wordpress.com/
Jan 2, 2012 at 19:41 answer added Shahrooz timeline score: 6
Jan 2, 2012 at 16:00 answer added alfred myers timeline score: 6
Jan 1, 2011 at 21:54 answer added GH from MO timeline score: 7
Jan 1, 2011 at 19:10 history edited Dan Tao CC BY-SA 2.5
updated post to include picture since i'm not a new user anymore
Jan 1, 2011 at 18:53 vote accept Dan Tao
Jan 1, 2011 at 18:39 answer added Jim Humphreys timeline score: 31
Jan 1, 2011 at 18:34 answer added Valerio Talamanca timeline score: 14
Jan 1, 2011 at 18:19 answer added optima timeline score: 37
Jan 1, 2011 at 18:13 history asked Dan Tao CC BY-SA 2.5