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200808 - cmm

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 cmm, which contains two families of perpendicular reflection axes, and centers of rotation of order 2 between them. (The symmetry is slightly broken by the circular central part of the image...)
 
 
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