Gonbad-e-Kabud at MarAqa

• The symmetry group of the tiling is 632 (p6).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one regular hexagon.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• There are three non-regular reflective tiles (including one kite) and two tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 389 polygons.

1. Plates 34 and 36 (Gonbad-e-Kabud, MarAqa, Iran) of Sonia P, Seherr-Thoss. Design and color in Islamic architecture; Afghanistan, Iran, Turkey, Smithsonian Institution, 1968. [seherr] {312p}

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