Mosque of ibn Tulun (876-879)
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- The symmetry group of the tiling is *632 (p6m).
- All the internal angles of the constituent polygons are a multiple of 60°.
- Contains one regular two-pointed star polygon with vertex angle of 60°.
- Contains one regular hexagon.
- Contains one regular 6-pointed star polygon with vertex angle of 60°.
- There is one non-regular reflective tile.
- 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 223 polygons.
- Photo by David Wade: TUR 0132 (Eski Mosque, Edirne, Turkey) from [wadei] (1414AD, 816AH)
- (Fatehpur Sikri, Turkish Sultana's House, India) from [smith2] (1571AD, 978AH)
- Page 56 (Sultan Ahmed Mosque, Istanbul, Turkey) from [field4] (1609-16AD, 1018-25AH)
- Photo by Brian McMorrow (Khiva, Tosh Hovli Palace, Central Asia) from [pc] (1832AD, 1248AH)
- Figure 197, page 200 (Cairo, Example of Pierced Windows (Qamariyyah) After Prisse d'Avennes, No colouring) from [briggs]
- Figure 52, Plate 29 (Friday mosque, Varzaneh, Iran) from [elsaid]
- Photo by David Wade: EGY 0334x (Ahmad Ibn Tulun, Cairo, Egypt) from [wadei]
- Photo by David Wade: TRA 0303 (Shah-i-Zinda, Samarkand, Central Asia) from [wadei]
- Plate 157 (Morocco, Tin-glazed earthenware mosaic) from [humbert]
- Vol1 page 147, bottom (Tata Shah Jehan mosque, Pakistan,) from [iran]