Minaret, Husayn Baykara Madrasah, Herat
data8/PG223
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Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 45°.
- Contains one regular 8-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 71 polygons.
References
Publications referenced:
- Page 223 of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1995. ISBN 981021704. [abas] {Very many patterns in black and white, no sources given.}
- Plate 11, Figure 21 (Husayn Baykara Madrasah, Herat, Afghanistan, Central Asia. Minaret) of I El-Said and A Parman. Geometric concepts in Islamic Art, World of Islam Festival Publishing Co, 1976. ISBN 090503503. [elsaid] {Gives sources of several interesting patterns.}
- Vol2, page 72 (Husayn Baykara Madrasah, Herat, Afghanistan, Central Asia. Minaret) of Mahmood Maher al-Naqsh. Design and execution of drawing in Iranian tilework, Islamic period, Reza Abbasi Museum, 1983. [iran] {Good collection of Iranian patterns, text in Persian} Available on Internet.
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