Seyyed mosque, Isfahan

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 16 regular five-pointed star polygons with vertex angle of 36°.
• Contains two regular 10-pointed star polygons with vertex angle of 72°.
• There are 6 non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 894 polygons.

1. Photo by Rahim Karimzadeh (Seyyed mosque, Isfahan, Iran. Door panel, at the entrance) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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