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200808 - p4m

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 p4m, which contains rotations of order four as well as reflection axes in four distinct directions (they meet at the rotation centers). There are also glide reflection axes, which are vertical and horizontal in this image. (The symmetry is slightly broken by the circular central part of the image...)
 
 
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