Ziyanid sultan Abu Tashfin

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains three regular 8-pointed star polygons with vertex angle of 90°.
• There are 8 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 455 polygons.

1. Werner Forman Archive (Ziyanid sultan Abu Tashfin, Algeria) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

v54