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Symmetry 1

If you look at a completed tessellation, you will see the original motif repeats in a pattern. Two possibilities shown here are in a line facing one way, and then in a line facing the other, or, it may be in a whorl of rotated instances. This is symmetry. There are 17 possible ways that a pattern can be used to tile a flat surface or 'wallpaper' - see the Pólya diagram in Escher section above [click to go there]

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