The acronym VNF stands for Vertices 'N' Faces. You have probably already come across the concept of vertices and faces when working with the OpenSCAD built-in module polyhedron(). A polyhedron() in it ...

Bézier curves are parametric curves defined by polynomial equations. To work with Béziers in OpenSCAD we need to load BOSL2/std.scad, which includes the extension beziers.scad. Bézier curves vary by ...