Sabil-Kuttab, Qaytbay, Cairo

• The symmetry group of the tiling is 632 (p6).
• All the internal angles of the constituent polygons are a multiple of 60°.
• Contains one equilateral triangle.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling is not edge-to-edge.
• As drawn, contains about 247 polygons.

1. EGY 0810 (Sabil-Kuttab, Qaytbay, Cairo, Egypt. Top left and right) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo EGY 0810

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