Qila I Kuhna Mausoleum, Delhi

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one square.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• There are three non-regular reflective tiles (including one kite).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 169 polygons.

1. Figure 244 (Delhi, India. Detail from a grill at the Old fort, ) of Dominique Clévenot. Ornament and decoration in Islamic architecture, Thames & Hudson, Pressmark 604.AB.0178, 2000. ISBN 050051032. [clevenot] {Photographs by Gérard Degeorge}
2. Photo by David Wade: IND 0224 (Qila I Kuhna Mausoleum, Delhi, India) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo IND 0224

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