Ancient tiling from Portugal

T00180 = data6/I94
data6/I94
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Geometry

References

Publications referenced:
  1. Figure 9, bottom left, page 7 (Portugal) of B Gr├╝nbaum and G C Shephard. Tilings and Patterns, W H Freeman, 1987. ISBN 071671193. [gands] {Most important work in this area.}(15th century AD)

Photo?

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