Agra Fort, Agra

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one square.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles.
• 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 266 polygons.

1. IND 0404 (Agra Fort, India. Top) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Tiling whose tile angles are a multiple of 45° and whose lengths are p+q*sqrt(2).

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