This is a 3D-printable version of the Penrose Triangle illusion, based solely on the 1934 design painted by Swedish artist Oscar Reutersvärd. The design also appeared on Swedish postage stamps in the early 1980s.

Penrose Triangle Illusion

 

 

 

 

 

 

 

 

 

 

 

 

Follow the link for more information!
http://www.thingiverse.com/thing:6513

 

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