Hi,
I can't find a method to create a clean surface in the marked areas. The object may look simpler than it is. I have tried it with network and also with sweep. But it is not really clean at the transitions (yellow markings). When I open the object in Rhino and look at it with the light line analysis tool, it doesn't look good and a part of the surface disappeared in the red marked area.
I would also like to create a solid. But I only ever get a joined surface.
Does anyone have a tip for me?
Best regards, Wolfgang

Hi Wolfgang, maybe something more like this:

Loft with Loft style = "Straight" to make an initially sharp corner there like this:



Then fillet it or you could also trim away an opening like this and use Construct > Blend:





But also it could be better if these areas would be formed out of one larger surface instead of fragments, I'm thinking of how that might go:



- Michael

Hi Michael,
thanks for your tips. But I need a larger radius than can be created with trim/blend.
And I would like to determine the type of curve of the radius myself.
Is it possible to create what I need with your second tip? Could you explain this to me?
Best regards Wolfgang

I worked on this a little yesterday.

First off, the model is a mess. Not quite sure how it was created.

I rebuilt it so i could generate some results.

The 2 surface michaels shows in his last post have an opposing draft angle that also crosses over itself half way through the height of the model.

A single surface in that area will never be “smooth”

We can create it without any “hard edges”, but it will have to have a wonkey wiggle that compensates for the opposing draft angles.

Hi Wolfgang,

re:
> But I need a larger radius than can be created with trim/blend.
> And I would like to determine the type of curve of the radius myself.

You might try using the Network tool in Rhino instead for that area then, in Rhino there are options for Network to make it smooth with the adjacent surfaces.


> Is it possible to create what I need with your second tip? Could you explain this to me?

Just that it's much easier to make areas smooth when they are made up of one surface instead of multiple fragments.

- Michael