Mosque of Qarasunqur, Cairo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one equilateral triangle.
• Contains one regular four-pointed star polygon with vertex angle of 60°.
• Contains one regular 12-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 275 polygons.

1. Thesaurus Islamicus F2822 M31P0007 (Qarasunqur, Cairo, Egypt) from [pc] (1300AD, 699AH)
2. Page 248, Fig. 113a. (Abul Qasim shrine, Herat, Afghanistan, Central Asia) from [bonner] (1492AD, 897AH)
3. Vol 2, Page 155, Figure 191 (Bab al-Wastani, Baghdad, Iraq) from [sarre]
4. Vol II, Pg 357 (Delgosha garden, Shiraz, Iran) from [booth]

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