Mihrab, Madrasah Halawiye, Aleppo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains five equilateral triangles.
• Contains one regular hexagon.
• Contains two regular four-pointed star polygons with vertex angle of 30°.
• There are 6 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 473 polygons.

1. Photo by David Wade: SYR 0617 (Madrasah Halawiye, Aleppo, Syria) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1265AD, 663AH)
2. Photo by B.O'Kane (Madrasah Halawiye, Aleppo, Syria. Mihrab) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Wade photo SYR 0617

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