Mudhafaria Minaret, Irbil.
 
 
  data210/CR19
(Click on image for high-quality PDF version)
 
 
 
 data210/CR19
(Click on image for high-quality PDF version) 
 
Geometry
 
 
-  The symmetry group of the tiling is 4*2 (p4g).
-  All the internal angles of the constituent polygons are a multiple of 45°.
-  Contains 8 squares.
-  Contains one regular 8-pointed star polygon with vertex angle of 45°.
-  There are two non-regular reflective tiles.
-  The tiling satisfies the two-colour condition.
-  The tiling is edge-to-edge.
-  As drawn, contains about 268 polygons.
 
References
 
 
Publications referenced: 
 
 
-  Fig 7 (e) (Mudhafaria Minaret, Irbil, Iraq)  of Peter Cromwell. Islamic geometric ornament ... in Azerbaijan, To be published,	2018.	 [cromwell4]  {}(1190AD, 585AH)
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