Imamzeda, 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 two regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are five non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 814 polygons.

1. Page 39, photo 21 (Friday mosque, Isfahan, Iran) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1038-1194AD, 428-589AH)
2. Photo by David Wade: IRA 3025 (Imamzeda, Qom, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IRA 3025

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