Badi’ Palace, Marrakesh, Morocco

• The symmetry group of the tiling is *442 (p4m).
• Contains at least one "regular" 7-pointed star polygon.
• Contains at least one "regular" 8-pointed star polygon.
• Contains at least one "regular" 20-pointed star polygon.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.

1. Page 179, Fig. 45 (Badi’ Palace, Marrakesh, Morocco) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1578-94AD, 986-1002AH)
2. Plate 35 (Badi’ Palace, Marrakesh, Morocco) of Titus Burckhardt. Art of Islam: Language and Meaning, London, Islamic Festival Trust Ltd, 1976. ISBN 090503500. [burckhard2] {}(1578-94AD, 986-1002AH)
3. Page 260, left (Hassan II Mosque, Casablanca, Morocco) of Jean-Marc Castéra. Arabesques: Decorative Art in Morocco, ACR Edition, Paris, 1999. ISBN 286770124. [castera] {Beautiful book.}(1993AD, 1414AH)

• Large stars
• Tiling with three or more proper stars
• Tilings not constructible by straightedge and compass

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