Wall mosaic, Kairouan, Tunisia

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains one regular three-pointed star polygon with vertex angle of 105°.
• Contains one regular octagon.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 114 polygons.

1. Page 198, Fig. 62a (Gok madrasah, Amasya, Turkey) from [bonner] (1266-7AD, 664-5AH)
2. Page 83 (Construction specified in book is incorrect) from [wade]
3. Photo 190 (From Internet site, uses these colours) from [d-avennes]
4. Plate 53 (Wall mosaic, Kairouan, Tunisia) from [collin]

• Wade photo PIA 083

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