Minbar, Friday 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 6 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 (including one kite).
• The tiling satisfies the interlace condition and has no finite interlace and five infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 1247 polygons.

1. Page 141, Fig 5.45 (Friday mosque, Isfahan, Iran. Minbar) of Eric Broug. Islamic Geometric Design, Thames and Hudson, 2013. ISBN 978050051695. [broug2] {Many excellent photos}(1310AD, 709AH)

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