Small Mosque of Baybars

• The symmetry group of the tiling is 632 (p6).
• All the internal angles of the constituent polygons are a multiple of 60°.
• 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 edge-to-edge.
• As drawn, contains about 84 polygons.

1. V and A photo (Bimaristan Nur al-Din, Aleppo, Syria) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1148-55AD, 542-9AH)
2. Figure 57, page 99 (al-Zahir Baybars, Cairo, Egypt. Detail of doorhead, No colouring in original) of Martin S. Briggs. Muhammadan architecture in Egypt and Palestin, Oxford, Clarendon Press, Pressmark 32.F.79, 1924. [briggs] {255p}(1262-3AD, 660-1AH)
3. Page 357 of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1995. ISBN 981021704. [abas] {Very many patterns in black and white, no sources given.}

• V&A record Entrance...

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