Mosque of Sultan Baybars

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 2.5°.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains one regular hexagon.
• Contains one regular 12-pointed star polygon with vertex angle of 65°.
• There are 6 non-regular reflective tiles (including one kite).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 461 polygons.

1. Vol 2, Plate 52c (al-Zahir Baybars, Cairo, Egypt. Panel of ornament at north-west end of transept) of K A C Creswell. The Muslim Architecture of Egypt, Oxford, 2 volumes, 1952/59. [creswell] {}(1266-9AD, 664-7AH)
2. Photo by David Wade: EGY 1301 (al-Zahir Mausoleum, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1474AD, 878AH)

• Wade photo EGY 1301

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