Alcazar, Salon de Embajadores

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 5°.
• Contains one regular hexagon.
• Contains two regular 12-pointed star polygons with vertex angle of 60°.
• There are 7 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 481 polygons.

1. Plate 168 (Seville, Spain) of Basilio Pavón Maldonado. El arte hispanomusulman en su decoración geométrica, Madrid : Ministerio de Asuntos Exteriores, Instituto Hispano-Arabe de Cultura, 1975. ISBN 846006881. [pavon] {461p, 140 plates}(1350-69AD, 750-70AH)

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