Task-Kala caravanserai, Konye-Urgench

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains two regular hexagons.
• Contains one regular octagon.
• Contains one regular 8-pointed star polygon with vertex angle of 120°.
• There are four non-regular reflective tiles.
• The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 201 polygons.

1. Page 272, Fig 147b (Task-Kala caravanserai, Konye-Urgench, Central Asia) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(14th century AD)

Photo?

v54