Mosque of Qarasunqur, Cairo
data156/F11
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Geometry
- 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 217 polygons.
References
Publications referenced:
- Thesaurus Islamicus F2822 M31P0007 (Qarasunqur, Cairo, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1300AD, 699AH)
- Vol 2, Page 155, Figure 191 (Bab al-Wastani, Baghdad, Iraq) of Friedrich Sarre and Ernst Herzfeld. Archäologische reise im Euphrat..., Berlin, 1911-20. ISBN . [sarre] {}
- Vol II, Pg 357 (Delgosha garden, Shiraz, Iran) of E Booth-Clibborn. The splendour of Iran, London, 2001. ISBN 186154011. [booth] {2 vol}
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