Imamzeda Darbi Islam, 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 178 regular pentagons.
• Contains 23 regular 10-pointed star polygons with vertex angle of 108°.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the two-colour condition with straight cross-overs, but interlace counts not determined.
• The tiling is edge-to-edge.
• As drawn, contains about 7001 polygons.

1. Photo by David Wade: IRA 0907 (Imamzeda Darbi Islam, Isfahan, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IRA 0907

• Two-level patterns

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