Isfahan, Chehel Sotun Palace

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 5°.
• Contains one regular 9-pointed star polygon with vertex angle of 100° - composed of kites.
• Contains one regular 12-pointed star polygon with vertex angle of 120° - composed of kites.
• There are 6 non-regular reflective tiles (including 5 kites).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 670 polygons.

1. Fig 12 (Chehel Sotoun Palace, Isfahan, Iran) of Roberto Orazi. Grate lignee nell'architettura safavide, Roma : IsMEO, 1976. [orazi] {pp245}

• Tilings not constructible by straightedge and compass

Photo?

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