al-Rifa'i mosque

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one regular three-pointed star polygon with vertex angle of 60° - composed of kites.
• Contains one regular 6-pointed star polygon with vertex angle of 120° - composed of kites.
• There are three non-regular reflective tiles (including 2 kites).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 348 polygons.

1. Photo from Ayman Soliman (al-Rifa'i mosque, Cairo, Egypt. Lintel) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1869-1910AD, 1286-1328AH)

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