Abu al-'Ila mosque

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 4.5°.
• Contains one regular pentagon.
• Contains one regular octagon.
• Contains one regular 8-pointed star polygon with vertex angle of 72°.
• There are 9 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 213 polygons.

1. vol. 2, fig. 210, p. 137 (Abu al-'Ila mosque, Cairo, Egypt. Minbar) of Hasan `Abd-al-Wahhab. Tarikh al-masajid al-athariyah, Cairo, 2 vols in Arabic, 1946. [wahhab] {The History of ancient Egyptian mosques}(1485AD, 890AH)

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