Barsbay al-Bagasi

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 11.25°.
• Contains one regular octagon.
• Contains one regular 16-pointed star polygon with vertex angle of 67.5°.
• There are 8 non-regular reflective tiles (including 2 kites) and one reflective pair.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 409 polygons.

1. Thesaurus Islamicus (Barsbay al-Bagasi and Amir Sulayman, Cairo, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1456AD, 860AH)

• Stars with 16 points with vertex angle not equal to 45°
• Tiling with chelates

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