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I have one .blend project where I've imported objects via .dae files. I've set up a scene and made animations etc...

Now there is a request to modify details of one or more object.

Question 1: Is there a way that I can replace my existing model with a newer version where I keep the location, rotation, scale and animations? Because now I need to delete the object, add it again and animate it again.

Question 2: For future projects, how do you set up a blender project to overcome such problems?

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There are a lot of ways. Two simple approaches (assuming you are talking about static meshes):

Switch the mesh in the Properties window - Object Data:

enter image description here enter image description here

Or if you have LocRotScale keyframed, switch the action in the action editor:

enter image description here

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  • $\begingroup$ thanks, works fine. additional info: you first need to add or import the object that you want to use. $\endgroup$ – juFo Sep 30 '14 at 9:35
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You could convert the .dae file into separate .blend files and link (Menu: File/Link) instead of append into master file. In the master file you create the animations or pose-libraries needed. If the rig doesn't change you would be able to edit the mesh and just refresh the linked files. (The first related link has a more detailed and illustrated answer).

Related:

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