Mausoleum of Hagia Sophia, Istanbul

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains two regular hexagons.
• Contains one regular 6-pointed star polygon with vertex angle of 30°.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 144 polygons.

1. Page 56 (Hagia Sophia, Istanbul, Turkey. Window grill) of Robert Field. Geometric Patterns from Islamic Art and Architecture, Tarquin Publications, 1998. ISBN 189961822. [field4]

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