Mausoleum of Sultan Oljeitu, Sultaniyeh

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains 13 squares.
• Contains one regular three-pointed star polygon with vertex angle of 90°.
• Contains one regular 12-pointed star polygon with vertex angle of 90°.
• There are five 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 947 polygons.

1. Archnet photo (Mausoleum of Sultan Oljeitu, Sultaniyeh, Iran) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1313AD, 712AH)
2. Photo 248 (Mausoleum of Sultan Oljeitu, Sultaniyeh, Iran) 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}(1313AD, 712AH)
3. photo IRA 2607 (Mausoleum of Sultan Oljeitu, Sultaniyeh, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1313AD, 712AH)

• Wade photo IRA 2607

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