Friday mosque, Isfahan

• The symmetry group of the tiling is *5.0• (d5.0).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains one regular pentagon.
• Contains two regular five-pointed star polygons with vertex angle of 36°.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are four non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 126 polygons.

1. Page 43, photo 25 (Friday mosque, Isfahan, Iran. Northeast dome chamber) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}

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