I believe what is being described is similar to 3d model "rigging" - where you define a skeleton, angles of movement, and lengths of appendages, etc.

On Tue, Sep 24, 2013 at 9:27 AM, Arlo Barnes <arlo.barnes@...155...> wrote:
Depending on how you plan to apply this, it might be feasible to write a program in Javascript or Python or whatever to modify an SVG file on the fly based on some "physics" rules you make up - I think Maarten's email would be a good starting point for research. I have heard the word for this before, I just do not remember it.
-Arlo James Barnes

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