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bb869's photostream |
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pmm2
This frieze pattern has a vertical mirror symmetry and horizontal mirror symmetry. Therefore, it also...
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Uploaded on Sep 26, 2010
D14
This rosette pattern is part of the dihedral group because it has mirror lines. It D14 because it can be rotated roughly 26 degrees, 14 times.
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Uploaded on Sep 26, 2010
p4m
This wallpaper pattern is p4m because its largest rotation order is 4, it has vertical mirror symmetry,...
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Uploaded on Sep 26, 2010
