Friday mosque, Yazd

Common and widespread, but proportions extremely variable; See also Bourgoin, Plate 118, standard construction.

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 2.5°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• Contains one regular 12-pointed star polygon with vertex angle of 80°.
• There are five non-regular reflective tiles (including one kite) and one reflective pair.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 487 polygons.

1. Page 444, Fig. 379e (Mosque, Gonabad, Iran) from [bonner] (1212AD, 608AH)
2. Photo by David Wade: IRA 1922 (Friday mosque, Yazd, Iran) from [wadei] (1325AD, 725AH)
3. Part 1 (Fatehpur Sikri, Turkish Sultana's House, India) from [smith2] (1571AD, 978AH)
4. Richard Henry's web site (Friday mosque, Yazd, Iran. Built 15th C CE on site of 12 C CE fire temple) from [pc]
5. Stock Photo 1323-2897 (Khostu Imam Complex and Mosque, Tashkent, Uzbekistan. Entrance door) from [pc]

• Wade photo IRA 1922

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