Sultan Barsbay Funerary Complex, Cairo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 11.25°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 7 non-regular reflective tiles (including one kite).
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 403 polygons.

1. Photo by David Wade: EGY 1218 (al-Mu'ayyad, Cairo, Egypt) from [wadei] (1420AD, 823AH)
2. Photo by David Wade: EGY 1027/32 (al-Ashraf Barsbay, Cairo, Egypt) from [wadei] (1423AD, 826AH)
3. from Internet (al-Ashraf Barsbay, Cairo, Egypt. Qibla iwan, minbar, detail) from [pc] (1425-33AD, 828-36AH)
4. Fig 10.1c from [ww]
5. Figure 168 (Cairo, Egypt. No colour in original,) from [wahhab]

• Wade photo EGY 1027
• Wade photo EGY 1032
• Wade photo EGY 1218

v54