Amir Qijmas al-Ishaqi mosque, Cairo
data212/BON102
(Click on image for high-quality PDF version)
Geometry
- The symmetry group of the tiling is 2*22 (cmm).
- All the internal angles of the constituent polygons are a multiple of 25.71 (π/7)°.
- Contains one regular 14-pointed star polygon with vertex angle of 77.14 (3π/7)°.
- There are 7 non-regular reflective tiles (including one kite).
- The tiling satisfies the interlace condition and has no finite interlace and four infinite interlaces with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 365 polygons.
References
Publications referenced:
- Page 371, Fig. 286b (Amir Qijmas al-Ishaqi mosque, Cairo, Egypt) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1479-81AD, 884-6AH)
Collections of similar tilings
Photo?
v48