based on minksox researches : http://www.scriptspot.com/3ds-max/scripts/sox-dynamics
This one is easier to build, you only have to create points and select them in the right order.
UPDATE : 06.11.2012
REALTIME SPRING
corrections : edit text bug and lookat flip
Bake in keyframe and unbake new options.
By rauquenrol · 2012-09-02
Augusto Lombardi · 2014-11-19