al-Azhar mosque, Cairo

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of .5°.
• Contains one regular 6-pointed star polygon with vertex angle of 85°.
• There are five non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 245 polygons.

1. Photo by David Wade: EGY 1008 (al-Azhar mosque, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo EGY 1008

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