Bourgoin, Plate 116, version A
T01389, data172/B116A
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Revised: Metrics from AJL, v9
Geometry
- The symmetry group of the tiling is *442 (p4m).
- Contains one regular 8-pointed star polygon with vertex angle of 71.2 (19π/48)°.
- Contains one regular 12-pointed star polygon with vertex angle of 71.2 (19π/48)°.
- 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 401 polygons.
References
Publications referenced:
- 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.}
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