House of Pilate, Seville

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains two equilateral triangles.
• Contains one regular octagon.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are 7 non-regular reflective tiles (including one kite) and one reflective pair.
• The tiling satisfies the interlace condition and has two finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 155 polygons.

1. Position in book not recorded (House of Pilate, Seville, Spain. From ceiling of Praetor's Hall, no colouring in original) of A. F. Calvert. Moorish remains in Spain, London, New York, J. Lane, Pressmark 18.F.85, 1906. [calvert] {586 pages} Available on Internet.

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