al-Suhaymi House, Cairo

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular three-pointed star polygon with vertex angle of 90°.
• Contains one regular 12-pointed star polygon with vertex angle of 30°.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 274 polygons.

1. Photo from Ayman Soliman (al-Suhaymi House, Cairo, Egypt. Ceiling) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1648-1796AD, 1058-1211AH)

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