Ashrafiyya madrasah, Jerusalem
data211/BON64
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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 7.5°.
- Contains two regular two-pointed star polygons with vertex angle of 60°.
- Contains one regular 8-pointed star polygon with vertex angle of 90°.
- There are four non-regular reflective tiles (including one kite).
- The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 210 polygons.
References
Publications referenced:
- Page 287, Fig 173d (Ashrafiyya madrasah, Jerusalem) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1482AD, 887AH)
Photo?
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