So what would be an example of a NURBS modeller (freeware so that I can
download it and try it now!)?

Mike Williams wrote:

> Wasn't it Saadat Saeed who wrote:
>
> >What exactly are NURBS? A question I always wanted to ask!
>
> Non-Uniform Rational B-Splines.
>
> They sort of do for 3d surfaces what Bezier Curves do for 2d lines. The
> NURBS surface has a number of control points to which it is attracted,
> and the control points can have different strengths (hence the "non-
> uniform"). The higher the strength, the more the surface is attracted to
> the control point and the more sharply it bends.
>
> In a graphical modelling program, manipulating the control points can be
> a bit like moulding modelling clay.
>
> --
> Mike Williams
> Gentleman of Leisure

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