Ceiling, Amir Bashtak Palace, Cairo
T01228, data166/ICRO253
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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 45°.
- Contains three regular octagons.
- Contains one regular four-pointed star polygon with vertex angle of 45°.
- There are two 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 141 polygons.
References
Publications referenced:
- Photo ICR0253 (Creswell Archive, Arcnet, B & W print) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]
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