Two Polygons, PP Class 39, [p3lm,c3,c1], IH Class 30.

T00862 = data149/B03
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Publications referenced:
  1. Plate 19 (Western tower, Kharqan, Iran. This is from an arch panel on the later tower) of Sonia P, Seherr-Thoss. Design and color in Islamic architecture; Afghanistan, Iran, Turkey, Smithsonian Institution, 1968. [seherr] {312p}(1093AD, 485AH)
  2. PP Class 39, [p3lm,c3,c1], IH Class 30 of S J Dawes and B A Wichmann. A New Class of Tilings with Two Prototiles, Visual Mathematics, Vol 3, No 4., 2001. [dawes] {Revises CD/booklet.} Available on Internet.