Mausoleum of Muhammad Ghaus, Gwalior

• The symmetry group of the tiling is O (p1).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains four squares.
• There are two non-regular reflective tiles.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 562 polygons.

1. Page 105, Fig 4.35 (Mausoleum of Muhammad Ghaus, Gwalior, India) of Eric Broug. Islamic Geometric Design, Thames and Hudson, 2013. ISBN 978050051695. [broug2] {Many excellent photos}(1565AD, 972AH)
2. Fig A.17 of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

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