Mosque of Aqsunqur, Cairo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains four regular two-pointed star polygons with vertex angle of 75°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 12-pointed star polygon with vertex angle of 90°.
• There are 9 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has four finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 534 polygons.

1. E.3841:104-1938 (Cairo, Egypt. Sketchbook by James Wild) of V&A collections website. Website: collections.vam.ac.uk, UK, 2015. [vami] {Website}
2. Photo by David Wade: EGY 0818 (Aqsunqur, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo EGY 0818
• V&A record Sketchbook

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