Madrasah Sabringe, Damascus

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• There are two non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 179 polygons.

1. Vol 1 (Baybars al-Gashankir, Cairo, Egypt) of Hasan `Abd-al-Wahhab. Tarikh al-masajid al-athariyah, Cairo, 2 vols in Arabic, 1946. [wahhab] {The History of ancient Egyptian mosques}(1309AD, 708AH)
2. Photo by David Wade: SYR 0306 (Mausoleum Wali al-Shaibani, Damascus, Syria) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1353AD, 753AH)
3. Photo by David Wade: SYR 0237 (Madrasah Sabringe, Damascus, Syria) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1575AD, 983AH)

• Wade photo SYR 0237
• Wade photo SYR 0306

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