Mosque of al-Ghouri, Minbar

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 1.87 (π/96)°.
• Contains one regular 8-pointed star polygon with vertex angle of 71.25°.
• Contains one regular 12-pointed star polygon with vertex angle of 71.25°.
• There are 14 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has four finite interlaces and no infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 391 polygons.

• Vol 2, Figure 224 of Hasan `Abd-al-Wahhab. Tarikh al-masajid al-athariyah, Cairo, 2 vols in Arabic, 1946. [wahhab] {The History of ancient Egyptian mosques}

• Wade photo EGY 1215

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