Karatay Madrasah, Turkey

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 20 regular two-pointed star polygons with vertex angle of 72°.
• Contains 40 regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are 13 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has four finite interlaces and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 1115 polygons.

1. Fig 238d (Karatay Madrasah, Konya, Turkey) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1251AD, 648AH)
2. Photo by David Wade: TUR 0309 (Karatay Madrasah, Konya, Turkey) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1260AD, 658AH)
3. From John Rigby of B A Wichmann. The World of Patterns, World Scientific, 2001. ISBN 981024619. [wich2] {Only new patterns ascribed to this.}

• Wade photo TUR 0309

• First Decagonal motif

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