Royal Palace, Meknes

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one regular two-pointed star polygon with vertex angle of 45°.
• Contains 7 regular 8-pointed star polygons with vertex angle of 90°.
• There are 13 non-regular reflective tiles (including one kite and one dart) and one reflective pair.
• The tiling satisfies the two-colour condition with straight cross-overs, but interlace counts not determined.
• The tiling is edge-to-edge.
• As drawn, contains about 1237 polygons.

1. Page 77, bottom right (Ben Youssef Madrasah, Marrakesh, Morocco. Slightly different colours) from [degeorge2] (1557-74AD, 964-82AH)
2. Vol 1, page 252 (Ben Youssef Madrasah, Marrakesh, Morocco. Slightly different colours) from [paccard] (1557-74AD, 964-82AH)
3. Page 149 (Royal Palace, Meknes, Morocco. Material taken from this large zellij panel by excluding the 16-point star) from [castera]
4. Photo by David Wade: MOR 1225 (Ben Youssef Madrasah, Marrakesh, Morocco) from [wadei]

• Wade photo MOR 1225

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