Hi Burr,

> It works with any little bits of curves and edges..
> Not just circles or tubes..

Right, real box modeling works like that, but not the "dynamic NURBS extrude" that you've been showing, that builds a kind of individual tubular surface for each separate time you use it.

That's kind of "bunch of little tube surfaces next to each other" is not really quite the same thing as poly box modeling - the real box modeling ends up with an all melted smooth sub-d surface across the whole shape.

- Michael