Minaret of Jam

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one square.
• Contains one regular hexagon.
• Contains one regular 12-pointed star polygon with vertex angle of 30°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 475 polygons.

1. Page 245, Fig. 109f (Minaret of Jam, Afghanistan, Central Asia) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1174-95AD, 569-90AH)

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