Software: Houdini
Blendshape changes
This scene demonstrates how the blendshape changes the torus in the middle of the vellum simulation.
Collision & Inflation (Soft Body)
This scene demonstrates the collision happens with the vellum object and how to inflate a vellum object in the middle of the vellum simulation.
Collision (Rigid Body)
This scene demonstrates the difference between simulating a soft body object and a rigid body object.
Screenshot in Houdini : Collision & Inflation (Soft Body)