Casa del Doncel

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are 6 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 169 polygons.

1. Photo by Mirari Erdoiza (Casa del Doncel, Siguenza, Guadalajara, Spain) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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