Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page. X
Can a published and copied geometry from one skeleton model be extruded into another model? For instance, I published and copied viewing window geometry from Z model to V model, is it now possible to extrude and remove material on V model with this geometry? If yes, can anyone explain how? (Please refer to the attached screenshot)
When you use the term "extrude" I interpret that to mean solidify (to add or remove material) in the context you are asking. If that is the case, then it is possible to do what you have outlined above. If you have a closed quilt available from the external copy geometry feature, then solidify the quilt to add or remove material in your model.
Make sure you are not creating any circular references with the scheme you are using!