Hi Olga,

> Can you tell me please if I place another small elipse or circle
> near the tip (for second cross-section) to allow Sweep to go
> smoother how close to the very tip I should place the circle
> and how big it should be?

There isn't really any easy rule to follow necessarily...

But I would generally try to place it pretty near the end and try to make it shaped in the form you want in that area, something like this:



- Michael