Hi PaQ,

> It would be terrific to have a variation of the plugin to do
> that, but I suppose it's not so easy to do

Yeah, I would like to add that capability, but at the moment there isn't enough stuff exposed to scripts to make a plugin for 1.0 to do it.

If you would like to post or send to me your path curve, I should be able to cook up a helix around it pretty quickly for you using some other software.

- Michael