Wooden ceiling
data208/OK5
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Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 5°.
- Contains one regular four-pointed star polygon with vertex angle of 65°.
- Contains one regular 8-pointed star polygon with vertex angle of 70°.
- There are three non-regular reflective tiles (including one kite).
- The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 91 polygons.
References
Publications referenced:
- Page 99 (al-Maridani, Cairo, Egypt. Painted ceiling) of Bernard O'Kane. The Mosques of Egypt, AUC, Cairo, 2016. ISBN 978977416732. [okane2] {}(1334-40AD, 734-40AH)
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