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200808 - p4

Copyright 2008 S.Monnier

This image is part of a series of 17 images, displaying patterns with the symmetries of the 17 wallpaper groups.

This is the group p4, which contains two families of order 4 rotations. There are additionnal order 2 rotations. (The symmetry is slightly broken by the circular central part of the image...)
 
 
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