Mausoleum of Sultan Salih Negm Ad-din

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one equilateral triangle.
• Contains one regular hexagon.
• Contains one regular three-pointed star polygon with vertex angle of 60° - composed of kites.
• There are two non-regular reflective tiles (including one kite).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 210 polygons.

1. Vol2, Plate 38a (al-Salihiyya, Cairo, Egypt. Detail of door of vestibule) of K A C Creswell. The Muslim Architecture of Egypt, Oxford, 2 volumes, 1952/59. [creswell] {}

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