Monument to Sheikh Safiaddin Ardabili

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 12°.
• Contains one regular two-pointed star polygon with vertex angle of 84°.
• Contains three regular pentagons.
• Contains one regular 6-pointed star polygon with vertex angle of 48°.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 221 polygons.

1. From Aslam Qureshi (Monument to Sheikh Safiaddin Ardabili, Iran) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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