Sultan Han, Kayseri

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one square.
• Contains one regular four-pointed star polygon with vertex angle of 45°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 119 polygons.

1. Figure 472 (Sultan Han, Kayseri, Turkey) of Derek Hill. Islamic architecture and its decoration, A.D. 800-1500..., Faber and Faber, Pressmark 35.C.183, 1964. ISBN 050051032. [hill] {With an introductory text by Oleg Grabar}(1229AD, 626AH)

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