Dar Umma, Royal Palace, Casablanca

• Growth dynamic build of this pattern.
• Random dynamic build of this pattern.
• Structured dynamic build of this pattern.
• 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 square.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 13 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has four finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 911 polygons.

1. Page 156, left bottom (Royal Palace Museum, Fez, Morocco. Zellij (central pattern), this colouring) from [castera]
2. Page 156, top (Royal Palace Museum, Fez, Morocco. Monumental door, no colouring,) from [castera]
3. Page 157 (Dar Umma, Royal Palace, Casablanca, Morocco. Painted wood, no distinct colours) from [castera]
4. Vol 1, Page 276 (/1) from [paccard]
5. Vol 2, Page 292 (/3) (Bahia, Fez, Morocco. Natural wood ceiling) from [paccard]
6. Vol 2, Page 473 (/5) (Royal Palace, Marrakesh, Morocco) from [paccard]

v54