Doner Khatum, Kayseri

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two regular octagons.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 93 polygons.

1. Page 257, Fig. 126f (al-Aqsa, Jerusalem) from [bonner] (1168-74AD, 563-9AH)
2. Photo by David Wade: TUR 0809 (Doner Khatum, Kayseri, Turkey) from [wadei] (1276AD, 674AH)
3. Page 142 from [critchlow]
4. Page 301 from [abas]

• Wade photo TUR 0809

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