John Rigby's photograph 38a

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains three regular two-pointed star polygons with vertex angle of 45°.
• Contains 7 regular 8-pointed star polygons with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 11 non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces.
• The tiling is edge-to-edge.
• As drawn, contains about 811 polygons.

• John Rigby's photograph 38a (From Andalucian study tour, using these colours, Alhambra/Generallife) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

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