Briggs, Figure 57, page 99

• 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 67 polygons.

• Page 357 of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1993. ISBN 981021704. [abas] {Very many patterns in black and white.}
• Figure 57, page 99 (Cairo, Small Mosque of Baybars, 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}

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