Hi Shaun,

> But still there must be some way to "glue" surfaces together
> so moving one common point changes both smoothly.

It depends on what you mean by "smoothly" - yes for maintaining tangency but more difficult for maintaining a higher amount of continuity than that.

The main issue is that a mechanism that tried to glue little separate surface pieces together would just result in the same kind of somewhat lumpy editing that I'm sure you've already seen with the patch modeling...

- Michael