List: discuss@lists.openscad.org
From: John David
Re: Bezier stretch
Wed, Apr 15, 2026 1:02 PM
Anyway, there are a number of curves that do not have closed-form
mathematical solutions to calculate length, but you can estimate it by
successive subdivision approximation. That said, a NURB curve/surface can
be tied up into knots. The BOSL2 example shows such an example (IIRC).