Wikala of Sultan Qaytbay

See also Qijmas al-Ishaqi mosque.

• 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 483 polygons.

1. 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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