Bourgoin, Plate 99

See also Amir Taz Palace, Cairo and Azbak al-Yusufi.

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are 7 non-regular reflective tiles (including 2 kites).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 299 polygons.

1. Archnet photo IHT0064 (Taynal Mosque, Tripoli, Lebanon) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]
2. Plate 99 (One source known) of J Bourgoin. Arabic Geometrical Pattern and Design, Dover, 1879. ISBN 048622924. [bourgoin] {Classical book of around 200 hand-produced patterns, in back and white.} Fuller version available on Internet.

• Wade photo BOU 099

• Tiling with chelates

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