Sultan Barsbay Funerary Complex

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains five regular three-pointed star polygons with vertex angle of 90°.
• Contains one regular four-pointed star polygon with vertex angle of 120°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are four non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has three finite interlaces and three infinite interlaces.
• The tiling is edge-to-edge.
• As drawn, contains about 395 polygons.

• photo from David Wade (Cairo) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]
• Internet photo Thesaurus Islamicus Foundation: (al-Ashraf Barsbay, Qibla iwan, minbar, door on north side) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

• Wade photo EGY 1030

• Tiling with three or more proper stars

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