al-Rifa'i mosque, Carved panel
data209/ALR1
(Click on image for high-quality PDF version)
Geometry
- The symmetry group of the tiling is *632 (p6m).
- All the internal angles of the constituent polygons are a multiple of 10°.
- Contains two squares.
- Contains one regular 6-pointed star polygon with vertex angle of 60°.
- Contains one regular 12-pointed star polygon with vertex angle of 80°.
- There are 6 non-regular reflective tiles (including 2 kites).
- The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 381 polygons.
References
Publications referenced:
- Thesaurus Islamicus (al-Rifa'i mosque, Cairo, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1869-1910AD, 1286-1328AH)
- Fig 11.3b photo of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
v49