Mosque of Qaytbay, Cairo

• The symmetry group of the tiling is *442 (p4m).
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• Contains one regular 16-pointed star polygon with vertex angle of 58.5°.
• There are 10 non-regular reflective tiles (including 2 kites) and four reflective pairs.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 787 polygons.

1. Photo by David Wade: EGY 1404 (Qaytbay, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1474AD, 878AH)

• Wade photo EGY 1404

• Stars with 16 points with vertex angle not equal to 45°
• Tiling with three or more proper stars

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