Yes, it is CSG. When time permits I will possibly add tori at the bends.

I don't think at this time I would have the knowledge to model this
mathematically.
What tools would you use if you were going to build this using a mesh?


"Shay" <sah### [at] simcopartscom> wrote in message
news:3e4a8fe6@news.povray.org...
>
> "Bob Bagwill" <bob### [at] nospicedhamorg> wrote in message
> news:oprkgj7raugpp7ea@news.povray.org...
> |
> | I think it needs to be a catenary instead of a paraboloid.
> |    http://www-gap.dcs.st-and.ac.uk/~history/Curves/Catenary.html
>
> Yes, but I don't think he coded it with a spline or mathematical
> function. It looks like a csg merge of spheres and cylinders to me.
> Adding torus segments at the bends would be a great improvement. I would
> build this one with a mesh, but most prefer csg for short code.
>
>
>             -Shay
>
>

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