Museum of the Sidi Sa'id, Marrakesh

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains three regular two-pointed star polygons with vertex angle of 45°.
• Contains two regular 8-pointed star polygons with vertex angle of 90°.
• There are 11 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has three finite interlaces and three infinite interlaces.
• The tiling is edge-to-edge.
• As drawn, contains about 649 polygons.

• Figure 90, page 142 (Perforated plaster window, Museum of the Sidi Sa'id, Marrakesh, no colour) of Rom Landau and Wim Swaan. Morocco: Marrakesh, Fez, Rabat, Elek Books Ltd, 1967. [landau] {London}

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