Palais de la Bahia
data195/N13
(Click on image for high-quality PDF version)
Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 22.5°.
- Contains four squares.
- Contains two regular two-pointed star polygons with vertex angle of 45°.
- Contains two regular four-pointed star polygons with vertex angle of 45°.
- Contains five regular 8-pointed star polygons with vertex angle of 90°.
- Contains one regular 16-pointed star polygon with vertex angle of 45°.
- There are 16 non-regular reflective tiles (including 2 kites and one dart) and one reflective pair.
- The tiling satisfies the two-colour condition with straight cross-overs, but interlace counts not determined.
- The tiling is edge-to-edge.
- As drawn, contains about 2403 polygons.
References
Publications referenced:
- Photo from Nick Crossling (Bahia Palace, Marrakesh, Morocco) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1875-1900AD, 1292-1318AH)
- Fig 10.8 of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
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