Wind-tower in the Golestan Palace

• 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 three-pointed star polygon with vertex angle of 60° - composed of kites.
• Contains one regular 6-pointed star polygon with vertex angle of 120° - composed of kites.
• There is one non-regular reflective tile (including one kite).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 246 polygons.

1. (Fatehpur Sikri, Rajah Birbal's House, India) of E W Smith,. The Moghul Architecture of Fathpur-Sikri, Archaeological Survey of India, 1896. [smith2] (1571AD, 978AH)
2. Page 50 (bottom right) (Wooden openwork) of F M Hessemer. Historic Designs and Patterns in Color, Dover, a1840. ISBN 048626425. [hessemer] {This collection is unusual in giving the source for almost all the patterns.} Available on Internet.
3. Page 76 (Golestan Palace, Tehran, Iran. From the basement of the 'bad-gir' (wind-tower)) of Javad Shafai. On decoration in Persian architecture and wood carving, Tehran, 1977. [shafai] {In Persian}

v54