Sanctuary of Khajah Abd Ansari

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 10°.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• Contains one regular 18-pointed star polygon with vertex angle of 80°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 609 polygons.

1. Page 138 (Gazur Gah, Herat, Afghanistan, Central Asia. Entrance to sanctuary) of Derek Hill. Islamic architecture and its decoration, A.D. 800-1500..., Faber and Faber, Pressmark 35.C.183, 1964. ISBN 050051032. [hill] {With an introductory text by Oleg Grabar}(1428-9AD, 831-2AH)

• Tilings not constructible by straightedge and compass

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