Gökmedrese, Amasya

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 10°.
• Contains one regular hexagon.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• Contains one regular 9-pointed star polygon with vertex angle of 80°.
• There are five non-regular reflective tiles (including one kite).
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 273 polygons.

1. Photo via Mirek Majewski (Amasya Museum, Amasya, Turkey) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]
2. Photo via Mirek Majewski (Gökmedrese, Amasya, Turkey) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Tilings not constructible by straightedge and compass

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