"Pascal" <net### [at] freesurffr> wrote in news:3fe45a84$1@news.povray.org: ... > plane { > vcross(B-A,C-A) > vdot(A,vnormalize(vcross(B-A,C-A))) ... > } Or just: plane { vcross(B - A, C - A), 0 translate A ... } Tor Olav
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