Burgos Cathedral

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are three non-regular reflective tiles.
• 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 169 polygons.

1. Photo from Internet (Mudéjar ceiling at the Chapter room, Burgos Cathedral, Spain) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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