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Computer graphics
Freepik
Artist's web site http://www.freepik.com.


Images were found at
- http://www.freepik.com/free-vector/penrose_774897.htm
- http://www.freepik.com/free-vector/penrose-triangle-background_772680.htm
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![]() | ![]() | ![]() |
Artist's web site http://www.freepik.com.
Images were found at
![]() | ![]() | ![]() |