Kasehgaran Madrasah, 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 8 regular two-pointed star polygons with vertex angle of 72°.
• Contains two regular pentagons.
• Contains four regular five-pointed star polygons with vertex angle of 72°.
• Contains two regular 10-pointed star polygons with vertex angle of 108°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has two finite interlaces and three infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 581 polygons.

1. Vol3, page 166, left motif (Kasehgaran Madrasah, Isfahan, Iran) of Mahmood Maher al-Naqsh. Design and execution of drawing in Iranian tilework, Islamic period, Reza Abbasi Museum, 1983. [iran] {Good collection of Iranian patterns, text in Persian} Available on Internet.(1105AD, 498AH)
2. Fig 12.7b of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

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