Stevens, Page 61
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Geometry
- The symmetry group of the tiling is 442 (p4).
- All the internal angles of the constituent polygons are a multiple of 15°.
- There are two non-regular reflective tiles and one reflective pair and one tile with no mirror image.
- The tiling does not satisfy the two-colour condition.
- The tiling is not edge-to-edge.
- As drawn, contains about 132 polygons.
References
Publications referenced:
- Page 61, Figure 8.2h (Chinese, about 1900, single square in original) of Peter S Stevens. Handbook of regular patterns: an introduction to symmetry in two..., MIT Press, 1984. ISBN 026269088. [stevens] {Illustrations in black and white}
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