Hello Rhino Team, I appreciate all the ongoing development work on Rhino. I have a specific question regarding constraint-based sketching: Over the past few years, we have seen some experimental constraint tools in Rhino WIP, but there has not been a clear update on whether a fully integrated para…

[image] Ftzuk: They were asking what you think about releasing it as a plugin. The code that has been written is too deeply integrated with the core to simply release as a plug-in.

Wow, that looks promising. Until now, I found the interaction in FreeCAD clunky, but it seems to be improving. @ McNeel: Maybe a FreeCAD-inside-Rhino integration would be possible? Ideally with the familiar Rhino interaction. Or perhaps the ability to load FreeCAD models into Rhino as linked bloc…

I dont understand why you need to be so against a feature that you don’t need to use. But has been asked for and would greatly push adoption if implemented half-decently. If I would make constraints in rhino, I would: Overhaul the dimensioning tools (they suck a bit now) and integrate the UI with …

[image] ArtProgTech: I dont understand why you need to be so against a feature that you don’t need to use. I would prefer available resources deployed to fixing the many bugs and missing functions before trying to enter yet another market segment. If I need solid modelling, I rather use a ded…

The constraints view would work like wireframe view. You flip to it, you see your constraint relationships overlaid on the geometry as lines and actions you did. You flip back to shaded and keep working. To address the dependency chain reliability problems, you should make it so the constraints are…

That sounds pretty good to me. I’ve been thinking about whether it might be possible to have a “direct”-driving dimension — something like Scale1D. You could attach this dimension to objects and adjust or change them. It would be like a constraint attached to the geometry.

[image] altamiro.aj: what I think should be done instead is to make some kind of panel and clever commands running grashopper in the background, I really like the idea of a Rhino UI panel for Grasshopper running in the background. Twelve years ago, this post discussed where the challenges li…

[image] UAS-Design: Or perhaps the ability to load FreeCAD models into Rhino as linked blocks, for example, which would update automatically when changes are made? I am pretty sure that is already possible with Step files. You can import the step file as a linked block after exporting from f…

[image] Quan Li: constraint-based seeing this makes my day! :100: :slightly_smiling_face: :hot_beverage: yes let’s talk more about constraints technologies for sure! :partying_face: :clinking_beer_mugs: [image] Wim Dekeyser: There will not be any constraints in Rhino 9. Although I d…

I disagree, even a basic constraints implementarion in Rhino will enable workflows that aren’t available anywhere else when paired with Grasshopper and Rhino’s curve and surface toolset. It’s not about tapping into a new market, but rather expanding current workflows and reducing the need to open a…

[image] Intuos: basic constraints implementarion What does that even mean, in concrete terms, compared to the excellent tools that, for example, Siemens NX or Autodesk Fusion offer in that respect? In industrial design, for tier-1 and tier-2 clients, not in my life I would want to laboriously…

Will Rhino 9 Include a Parametric Sketch Constraints System?

Rhino

UAS-Design March 27, 2026, 4:44pm 63

I really like the idea of a Rhino UI panel for Grasshopper running in the background.

Twelve years ago, this post discussed where the challenges lie in better integrating Rhino and Grasshopper:

Topic		Replies	Views
Will Santa and 2025 bring constraint back? Constraints windows	41	2477	June 30, 2026
Rhino 8 WIP Constraints not working Rhino windows	24	2271	July 4, 2024
Rhino 8 WIP Feature: Constraints Constraints	301	37941	April 24, 2023
I bear to say Rhino should have some parametric capabilities besides Grasshopper Rhino for Windows	16	3490	January 26, 2018
Buy Rhino or not Rhino for Windows windows	41	1458	February 26, 2025

Will Rhino 9 Include a Parametric Sketch Constraints System?

Related topics