The cross section will always be a "disk" perpendicular to the path of the
spline-- I think this is what you observed.

It is possible to get rid of the truncated look by simply choosing a finer
triangle size.  Were you simply pointing out the truncated look, or is there
a real benefit to adding surface normals?

"Shay" <sah### [at] simcopartscom> wrote in message
news:3e0391c5$1@news.povray.org...
>
> "Greg M. Johnson" <gregj:-)565### [at] aolcom> wrote in message
> news:3e03801d@news.povray.org...
>
> Good start, but needs surface normals bad. Can the spheres which define
the
> sweep be of different radii? Does the sweep pinch, or is this just an
> illusion?
>
>  -Shay
>
>

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