Karatay Madrasah

• The symmetry group of the tiling is 2*∞ (pmg).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains two regular two-pointed star polygons with vertex angle of 72°.
• Contains two regular pentagons.
• There are four non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 117 polygons.

1. Photo by Bernard O'Kane (Karatay Madrasah, Konya, Turkey. Interior tilework) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1251AD, 648AH)
2. Fig A.19 of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
3. Page 312, Fig 211 (Khwaja Atabak mausoleum, Kerman, Iran) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}

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