A. Additional vertices, called Steiner points, and edges are added to the original triangle for better accuracy; B. a circle is iteratively fit to a set of points.

From Beyond illustration: 2d and 3d digital technologies as tools for discovery in archaeology by Bernard Frischer and Anastasia Dakouri-Hild

Creator(s)
Subjects
  • European: Ancient to 400 C.E.
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  • Figure 7 A. Additional vertices, called Steiner points, and edges are added to the original triangle for better accuracy; B. a circle is iteratively fit to a set of points.