topic Re: How Module position can be driven by a skeleton in Configurable product? in 3D Part & Assembly Design

How Module position can be driven by a skeleton in Configurable product?

Laszlo_G — Thu, 08 Jan 2026 14:02:29 GMT

I’m looking for a solution to build a Configurable Product in Creo that includes a mechanism.

Here’s the scenario:

I have a rail mechanism with variable length.
When a specific variant (length) is selected, I want the linear motion to be limited according to that selected length.

What I’ve tried so far:

I created a Motion Skeleton inside the Configurable Product.
- The rail module was connected to the first body of the Motion Skeleton.
- The cradle module was connected to the second body of the Motion Skeleton.
I was able to build variants using Variant Builder, but the problem is:
- The cradle’s position is driven by the Motion Skeleton.
- Changing the rail module length does not affect the motion range, so the cradle runs out of short rails.
To fix this, I moved the Motion Skeleton into a new module to build different lengths.
- However, the Assign Choices function doesn’t work (red icon appears, and I can’t check the checkbox for length).

Question:
Has anyone successfully built a configurable assembly that includes a mechanism?
Any tips or best practices for combining Configurable Products with Motion Skeletons?

Anyone tried to build similar assembly when the configurable product had some mechanism?

Re: How Module position can be driven by a skeleton in Configurable product?

Catalina — Tue, 13 Jan 2026 15:36:48 GMT

Hi @Laszlo_G

Thank you for your question.

Your post appears well documented but has not yet received any response. I am replying to raise awareness. Hopefully, another community member will be able to help.

Also, feel free to add any additional information you think might be relevant.

Best regards,

Re: How Module position can be driven by a skeleton in Configurable product?

tbraxton — Tue, 13 Jan 2026 18:08:25 GMT

I have no experience with the options modeler and without access to your data set I am guessing with this suggestion. You may have multiple skeletons in this context as a result of building the motion skeleton and referencing it in an assembly. If you have not verified this config option try setting it to yes.

Multiple standard skeletons can be created in an assembly when the multiple_skeletons_allowed configuration option is set to yes.

Motion skeleton models are subassemblies that contain design skeletons (standard skeletons or internal sketches) and body skeletons. You create standard skeletons using curves, surfaces, and datum features.

Re: How Module position can be driven by a skeleton in Configurable product?

Laszlo_G — Tue, 20 Jan 2026 08:12:24 GMT

Hi, thank you, multiple_skeletons_allowed was already set to yes.

I solved it by create a new level of assembly on top of the skeleton level and created a module from the new level.