Alcazar pattern like Bourgoin, Plate 129

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 6 non-regular reflective tiles.
• 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 291 polygons.

• Plate 129 (This pattern does not have inner khatem) of J Bourgoin. Arabic Geometrical Pattern and Design, Dover, 1879. ISBN 048622924. [bourgoin] {Classical book of around 200 hand-produced patterns, in back and white.}

• Wade photo SPA 2206

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