Dome of Sultaniyeh, Iran

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular hexagon.
• Contains one regular 6-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles (including one kite).
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 284 polygons.

1. Photo from Mardetanha (Dome of Sultaniyeh, Iran) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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