In the Rhino WIP , you will find a number of improvements related to corner surfaces created with the FilletEdge and BlendEdge commands. They can create Setback Corners. These corners usually offer better continuity and improved aesthetics. Setback surfaces are constructed from multi-blends. Multi-…

[image] menno: 2. concave setback corners In Rhino 8, concave corners - indicated below with arrows - were not supported. In Rhino 9 WIP, this support has been added. Hi Menno, this is an amazing news and I very appreciate your effort on adressing Fillet issues. I know it’s an hard work but…

It would be nice to do both those things, but it would make the UI even more cluttered and confusing than it already is. And it will certainly not be an Xmas gift, at least not for Xmas 2025 :sweat_smile:

I perfectly understand your postion. IF worth to discuss it we can still dream how a possible UI can work. In my opinion all this setting should not be presented at the first level but they should be a second level (option) for the command. Also, the command should keep assigning the same solutio…

@menno Failure with setback corners due to fillet radius too large. Non-setback corners work correctly. Work In Progress (9.0.25350.305, 2025-12-16) SetbackFailure.3dm (2.2 MB) [image] [image]

Yes, this is a known problem RH-84177 (sorry, the ticket is closed because of confidential information). Reducing the radius is for now the only option; I hope to address this next year.

[image] Menno Deij - van Rijswijk: Yes, this is a known problem RH-84177 (sorry, the ticket is closed because of confidential information). Reducing the radius is for now the only option; I hope to address this next year. @menno Is this issue likely to be resolved prior to the release of V9? …

If you check how things are done in Alias, Catia and NX, they all have very detailed options for their main tools, but usually the pop-up window menus are minimalistic at first. They could be expanded by the user if needed. Rhino already have a similar approach with a few of the new tools in V9. Rhi…

Why is this happening? inflate-patch.3dm (3.9 MB)

I see that and we already have a related YouTrack item RH-94370 .

Rhino WIP Feature: FilletEdge and BlendEdge corners

Serengeti (Rhino WIP)

brian (Brian Gillespie) April 14, 2026, 9:41pm 12

RH-94370 is fixed in Rhino WIP

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Rhino WIP Feature: FilletEdge and BlendEdge corners

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