Tunis, Inlay of marble at the door of the barracks, street Sidi Saber

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one square.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are three non-regular reflective tiles.
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 143 polygons.

1. Plate 38 (Sidi Saber barracks, Tunis, Timisia. Inlay of marble at the door of the street) of J Collin. Étude pratique de la décoration polygonale arabe, Paris, 1911. ISBN . [collin] {}

• Wade photo EPC 038

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