Friday mosque, Isfahan

• The symmetry group of the tiling is *10.0• (d10.0).
• Contains one regular two-pointed star polygon with vertex angle of 87.42 (17π/35)°.
• Contains two regular 7-pointed star polygons with vertex angle of 92.57 (18π/35)°.
• Contains one regular 10-pointed star polygon with vertex angle of 90°.
• There are 8 non-regular reflective tiles and two reflective pairs.
• The tiling is edge-to-edge.
• As drawn, contains about 161 polygons.

1. Photo by David Wade: IRA 0633 (Friday mosque, Isfahan, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IRA 0633

• Tilings not constructible by straightedge and compass

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