Saadian Tombs, Marrakesh

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains three regular 8-pointed star polygons with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 8 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 537 polygons.

• Vol 2, page 285 (Detail of door, Royal Palace, Fez) from [paccard]
• Vol 2, page 288 (Detail of door, Royal Palace, Marrakesh) from [paccard]
• Vol 2, page 398 (Marrakesh, Dar Beida, ceiling panel) from [paccard]

• Wade photo MOR 1201

• Escher's Alhambra tiling pattern

v17