Wikala of Sultan Qaytbay
data198/BR3
(Click on image for high-quality PDF version)
See also Qijmas al-Ishaqi mosque.
Geometry
- The symmetry group of the tiling is 2*22 (cmm).
- All the internal angles of the constituent polygons are a multiple of 36°.
- Contains 11 regular two-pointed star polygons with vertex angle of 72°.
- Contains two regular pentagons.
- Contains one regular 10-pointed star polygon with vertex angle of 72°.
- There are 10 non-regular reflective tiles (including one kite).
- The tiling satisfies the interlace condition and has 7 finite interlaces and no infinite interlace with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 399 polygons.
References
Publications referenced:
- Page 162, Fig 5.96 (Wikala of Sultan Qaytbay, Cairo, Egypt. Behind al-Azhar mosque) of Eric Broug. Islamic Geometric Design, Thames and Hudson, 2013. ISBN 978050051695. [broug2] {Many excellent photos}(1477AD, 881AH)
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