Bourgoin, Plate 127

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains four regular two-pointed star polygons with vertex angle of 45°.
• Contains one regular 6-pointed star polygon with vertex angle of 90° - composed of kites.
• There are four non-regular reflective tiles (including 2 kites) and one reflective pair.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 732 polygons.

1. Photo by David Wade: EGY 1325 (Barquq, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1386AD, 788AH)
2. Plate 127 (Barquq, Cairo, Egypt. Wooden lattice screen) of J Bourgoin. Arabic Geometrical Pattern and Design, Dover, 1879. ISBN 048622924. [bourgoin] {Classical book of around 200 hand-produced patterns, in back and white.} Fuller version available on Internet.(1386AD, 788AH)
3. Figures 218, 249 of Martin S. Briggs. Muhammadan architecture in Egypt and Palestin, Oxford, Clarendon Press, Pressmark 32.F.79, 1924. [briggs] {255p}

• Wade photo EGY 1325
• Wade photo BOU 127

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