Iron portal of mosque Hassan II Casablanca

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 5°.
• Contains one square.
• Contains three regular two-pointed star polygons with vertex angle of 30°.
• Contains four regular hexagons.
• Contains two regular 12-pointed star polygons with vertex angle of 60°.
• Contains one regular 24-pointed star polygon with vertex angle of 30°.
• There are 20 non-regular reflective tiles (including 5 kites) and one reflective pair.
• The tiling satisfies the two-colour condition with straight cross-overs, but interlace counts not determined.
• The tiling is edge-to-edge.
• As drawn, contains about 1893 polygons.

1. Photo from Superstock (Hassan II Mosque, Casablanca, Morocco. Iron portal) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Large stars

v54