Bourgoin, Plate 7

An extremely common pattern, appearing very early in numerous guises. Probably of eastern origin

• The symmetry group of the tiling is 3*3 (p31m).
• All the internal angles of the constituent polygons are a multiple of 60°.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 75 polygons.

1. Figure 17 (Ahmad Ibn Tulun, Cairo, Egypt. Fatimid mihrab) from [hill2] (1094AD, 486AH)
2. Fig 2 (a) (Gunbad-i Surkh, Maragha, Azerbaijan, Central Asia) from [cromwell4] (1148AD, 542AH)
3. Photo by David Wade: SPA 0900x (Alhambra, Mexuar patio, Spain) from [wadei] (1232-1417AD, 629-820AH)
4. Photo by David Wade: SYR 0212 (Madrasah al-Zahiriye. Damascus, Syria) from [wadei] (1277AD, 675AH)
5. Figure 58 and 59 (Zayn al-Din Yusuf, Cairo, Egypt) from [hill2] (1298AD, 697AH)
6. Page 370 from [abas]
7. Page 38 from [cahier]
8. Page 55 (No location, Unspecified mosque. Cairo, Egypt. No colouring) from [hessemer]
9. Plate 7 from [bourgoin]

• Wade photo SYR 0212
• Wade photo SPA 0900x
• Wade photo BOU 007

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