Fatima's Haram, Qom

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains one regular two-pointed star polygon with vertex angle of 72°.
• Contains four regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are 8 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 333 polygons.

1. Photo by David Wade: IRA 3037 (Fatima's Haram, Qom, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IRA 3037

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