Clevenot, Page 142

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 1°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• Contains one regular 18-pointed star polygon with vertex angle of 44°.
• There are 8 non-regular reflective tiles and two reflective pairs.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 724 polygons.

• Figure 142 (Decorated door) of Dominique Clévenot. Ornament and decoration in Islamic architecture, Thames & Hudson, Pressmark 604.AB.0178, 2000. ISBN 050051032. [clevenot] {Photographs by Gérard Degeorge}
• Vol 2, Figure 129 (Cairo: madrasa & Khanqa al-Azahr Barquq) of Hasan `Abd-al-Wahhab. Tarikh al-masajid al-athariyah, Cairo, 2 vols in Arabic, 1946. [wahhab] {The History of ancient Egyptian mosques}

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