Cenotaph, carved wood

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains two regular octagons.
• There are three non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 155 polygons.

1. David collection, no 1/2004 (No location, Iran. or Central Asia, Cenotaph, carved wood) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1100AD, 492AH)
2. Fig 17.2 photo of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}

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