Bourgoin, Plate 158
data191/B158
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Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of .5°.
- Contains one regular two-pointed star polygon with vertex angle of 72°.
- Contains one regular four-pointed star polygon with vertex angle of 150°.
- Contains one regular 8-pointed star polygon with vertex angle of 25°.
- Contains one regular 10-pointed star polygon with vertex angle of 72°.
- Contains one regular 12-pointed star polygon with vertex angle of 72°.
- There are 12 non-regular reflective tiles (including 2 kites) and four reflective pairs.
- The tiling satisfies the two-colour condition.
- The tiling is edge-to-edge.
- As drawn, contains about 401 polygons.
References
Publications referenced:
- Thesaurus Islamicus (Ghanim al-Bahlawan, Cairo, Egypt. Minbar) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1479AD, 884AH)
- Plate 158 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.} Fuller version available on Internet.
Photographs
Collections of similar tilings
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