Bourgoin, Plate 116, version A

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 1.87 (π/96)°.
• Contains one regular 8-pointed star polygon with vertex angle of 71.25°.
• Contains one regular 12-pointed star polygon with vertex angle of 71.25°.
• There are 16 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 421 polygons.

• Page 291 of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1993. ISBN 981021704. [abas] {Very many patterns in black and white.}
• Plate 116 (Divergent 8-rosettes) 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 BOU 116

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