Madrasah Abu Bakr Muzhir

See also Bourgoin, Plate 124 having convergent petals with the 12-star.

• The symmetry group of the tiling is *632 (p6m).
• Contains one regular 9-pointed star polygon with vertex angle of 80°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are 14 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has five finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 1205 polygons.

1. Archnet photo ICR0781 (Abu al-Bakr Muzhir, Cairo, Egypt. Minbar) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1479AD, 884AH)
2. Photo by David Wade: EGY 0809 (Qanibay al-Sayfi, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo EGY 0809

• Tilings not constructible by straightedge and compass

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