@davide76 My experience with these types of fills is that it will be better to trim the bigger surface in a more straight fashion. I used ShortPath for this:
shortpath.3dm (236.1 KB)
shortpath.3dm (236.1 KB)
No, this is great. This will happen time and again when people are using these tools and the tools should handle that; maybe give some kind of warning to alert the user to this.
In fact FillSrf warns about this in the command history window, and also attempts to relax the constraints on corners where these mismatches occur, but that may require some more tuning.
I see it like you do, because it’s a real situation where you end up with imperfect surfaces, but those are the possible ones that can come from clients as well.
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Here’s an attempt with adjusted surfaces :
FillSrf_Test2.3dm (435.5 KB)
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the situation has improved regarding xnurbs
I did a test in g1 and g2
Xnurbs_Test (2).3dm (5.5 MB)
it’s not the best here
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Is it possible to control the rotation of the patch surface by a numerical value?
Also, ability to set the angle of the patch surface by clicking one of the input surface edges or a curve inside the region to be filled (such like the blend curve in there examples used to define the middle shape of the patch surface)?
I also add my vote for the ability to use a starting surface!
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… vanila rhino 8 …
… this would be the G1-radius (extended/freestyle) rolling ball interpretation
fillsrf_test_rollingBallLike_tp.3dm (338.7 KB)
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Anyone,
Would you save the file as V7? I’d like to take a look… 
There is this tool
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I tried using the Xnurbs Quad sided surface option, somewhat like Rhino’s “Sweep2” in G2.
Fillsrf_Success_xnurbs test (2).3dm (725.6 KB)
Will you consider also doing match all 4 sides in Sweep2 (G1,G2) instead of 2 sides only, what will be also useful as alternative for FillSrf (in simple 4 sided cases)?
@mdesign FillSrf currently already has an untrimmed version when 4 sides are selected that can be matched on all sides. Did you try that?
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No not yet. So will Sweep2, EdgeSrf be obsolete after releasing it?
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Not yet, but that is in the works.
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Will it support a 4-sided untrimmed outside patch if the inside of it is trimmed around a target surface or closed curve? That will be a game changer.
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Can you elaborate a bit, I’m not sure I understand what you mean. Currently, untrimmed is not supported in combination with internal curves, but I hope to figure out how to do that.
When that works, I think what you’re asking should be possible. But I’d like to see an example of what you mean, I could be misunderstanding.
Here is a sample file. The input geometry is in yellow. The fill surface must be untrimmed on the outside and able to chain match with G2 to the split edges, whereas the middle of the fill surface must have a hole which is at least G1 matched with the input ellipse surface.
Fill surface 1.3dm (269.4 KB)
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