Calvert, Moorish Spain, Plate XLIV

See also a similar pattern Alhambra, Mexuar Patio.

• 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 octagon.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are five non-regular reflective tiles.
• 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 255 polygons.

1. Plate XLII - 4 (Alhambra, Spain) of Owen Jones. The Grammar of Ornament, Dover, 1856. ISBN 048625463. [jones] {Excellent book with 100 colour plates, with many containing several tiling patterns.} Fuller version available on Internet.
2. Plate XLIV (Alhambra, Torre de la Cautiva, Spain. Highly decorated wall panel) 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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