Thread: Question about copyright
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Old 04-09-2012, 02:35 PM
  #19  
Modred189
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Join Date: Apr 2012
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That's the Penrose Triangle.
http://en.wikipedia.org/wiki/Penrose_triangle
Pretty old in design. Still, the only one that would get you is the original designer, a mathematician, and I don't think he cares.
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