Castera, Fes, Royal Palace Museum, page 101 bottom-right

• 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 8-pointed star polygons with vertex angle of 90°.
• There are 8 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 215 polygons.

• Page 101 bottom-right (Fes, Royal Palace Museum, ornate wooden door with no colouring) of Jean-Marc Castéra. Arabesques: Decorative Art in Morocco, ACR Edition, Paris, 1999. ISBN 286770124. [castera] {Beautiful book.}
• Vol 1, page 210, top left (Colouring from here) of Paccard, André. Traditional Islamic craft in Moroccan architecture, Saint-Jorioz, France, 1980. ISBN 286486003. [paccard] {2 v. : ill. (some col.) ; 31 cm.}

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