Addition to B.A.G.

When you change parameters with BAG (Blender Analytical Geometry), you can obtain different mesh.
The Copy RVK (right click and “save as”) script allows you to use those mesh as RVKs on one of the mesh and make easy animations. See http://www.geocities.com/wibauxl for an example of a bouncing spring.

wibauxl

niceeeeee… :slight_smile:

OlivS

Quite like this one:
https://blenderartists.org/forum/viewtopic.php?t=24616
but with a gui…

Yes, I realized that today…
I must admit that yours does more checkings…
wibauxl

the rvk_torvk script works with complex states of rvks, lattices, and armatures too not only with a simple copy of the normal mesh