Fatima's Haram, Qom

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 20 regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has five finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 1673 polygons.

1. Photo by David Wade: IRA 3031 (Fatima's Haram, Qom, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IRA 3031

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