Hi, Alain

> It looks like it use splines to construct the paths of the branches.
> ...

Now I know - things are more complicated and interesting. It's possible to
communicate with it via socked by specified protocol and get all entities this
way. Also possible to save OBJ, Rayshade, Postscript, and even POV (!), but it's
not working, the system is little bit raw and need some maintenance, I'm working
on it :)

I've attached manual, described primitives, for those, who interested in.
--
YB

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