I have a couple of questions, actually.  The second is dependent on the
first.
1) It's been a LOOONNNNGGGGGG time since high school geometry, but it
seems to me it should be possible to scribe a circle given any three
(coplanar) points.  Am I right?

2) if the premise in #1 is correct, does anyone know of any macros for
Povray that will calculate the coordinates of  the center of such a
circle?

TIA,
Mark M. Wilson

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