William F Pokorny <ano### [at] anonymousorg> wrote:
> On 02/13/2018 03:06 AM, And wrote:
> > spin another axes
> >
> >
> > #declare f_tee =
> > function(x, y, z) {
> > pow(f_parabola(x, y, 1), 2) + 0.6*y*y + 1.2*z*z - 0.01
> > }
> >
> >
> >   isosurface{...}
> >
> Neat! Thanks for posting.
>
> Bill P.

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