Agra, India

• The symmetry group of the tiling is 442 (p4).
• Contains one square.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• The tiling satisfies the two-polygon condition.
• As drawn, contains about 51 polygons.

1. PP Class 59, [p4,c4,c1], IH Class 28 of S J Dawes and B A Wichmann. A New Class of Tilings with Two Prototiles, Visual Mathematics, Vol 3, No 4., 2001. [dawes] {Revises CD/booklet.} Available on Internet.
2. Page 106 (mirror image) (Cloth merchants' mosque, Tehran, Iran. Found in many Iranian mosques) of Javad Shafai. On decoration in Persian architecture and wood carving, Tehran, 1977. [shafai] {In Persian}
3. Plate 28a (Agra, India) of Susan Stronge. Indian Architectural Designs, Harry N Abrams, Inc, 1989. ISBN 081093905. [stronge] {A collection of 30 screen designs from the Victoria and Albert Museum.}

Photo?

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