Kale mosque, Divrigi
 
 
  data216/MB6
(Click on image for high-quality PDF version)
 
 
 
 data216/MB6
(Click on image for high-quality PDF version) 
 
Geometry
 
 
-  The symmetry group of the tiling is *442 (p4m).
-  All the internal angles of the constituent polygons are a multiple of 22.5°.
-  Contains three squares.
-  Contains one regular 8-pointed star polygon with vertex angle of 45°.
-  There are 8 non-regular reflective tiles (including one kite) and one reflective pair.
-  The tiling satisfies the two-colour condition.
-  The tiling is edge-to-edge.
-  As drawn, contains about 447 polygons.
 
References
 
 
Publications referenced: 
 
 
-  Photo from Mustafa Bulut (Kale mosque, Divrigi, Turkey)  of Not specific. Personal Communication, Information sent to the author,	21c.	 [pc] (1180-1AD, 575-6AH)
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