What is Gumball UVN? In the Rhino WIP , the Gumball now aligns with the Control Polygon when control points are selected in object mode. This alignment matches the directions used by the MoveUVN panel. When you manipulate the Gumball UVN, each selected control point moves along its respective control…

[image] Joshua Kennedy: Is changing the point style to a filled option in the display settings adequate? I don’t understand… you mean manually changing global settings for also every other time? What I meant is for just the fall-off affected grips to be color-filled, to make more it obvious……

[image] Gijs de Zwart: You can move in the opposite direction by holding Shift before hitting Enter :astonished_face: I understand the new gumball behaviour will happen within the context of GumballAlignment _Object? [image] Maybe If you introduce new behaviour like moving multiple SubD …

RH-91153 is fixed in the latest Rhino WIP . Please give it a try.

@omichalek Do you mean like this? [subd-n]

When you set the Gumball to object mode on a curve point, it quite usefully bends to the U, V and Normal directions: [Screenshot 2026-03-15 213732] However, when you set the Gumball to object mode for on a SubD vertex, it only conforms to a single U or V direction (and Normal): [Screenshot 2026…

[image] Joshua Kennedy: UVN alignment can also be created for selections of SubD control points. This makes it easier to move SubD control points along the control net. In order for the UVN alignment to be created for SubD control points all the selected control points must be connected and none…

Yes. I would like to see that Gumball mode for sub object select too. I have no use for the current way object align Gumball behaves regardless how I selected the vertex or control point.

Thank you, that is helpful. When you move the selected vertex are we moving the smooth point along the smooth surface or the control net point along the control net?

Rhino WIP Feature: UVN Gumball

Serengeti (Rhino WIP)

brian (Brian Gillespie) January 13, 2026, 11:49pm 81

RH-91433 is fixed in Rhino WIP

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Rhino WIP Feature: Gumball Improvements Serengeti (Rhino WIP)	30	2275	March 16, 2026
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Rhino WIP Feature: UVN Gumball

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