Cairo, Imam al-Shafi'i 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 one regular two-pointed star polygon with vertex angle of 72°.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are five non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 263 polygons.

• Thesaurus Islamicus, F6011 (Cairo, Imam al-Shafi'i Mosque, minbar, upper part of south side) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

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