Sivas, Cifte Minare madrasah

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one regular 6-pointed star polygon with vertex angle of 90°.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 110 polygons.

1. Fig 53 (Cifte Minare Madrasah, Sivas, Turkey) of Oktay Aslanapa. Turkish art and architecture, London : Faber, 1971. ISBN 057108781. [aslanapa] {422 p. : ill. (some col.), maps ; 29 cm}(1271AD, 669AH)
2. From B O'Kane (Madrasah of Shihab al-Din Qasim Taraz, Yazd, Iran. Dado of stamped or carved pieces) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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