Houdini Softbody Dynamics | Vellum Tetrahedral Softbody

This tool lets you pick a piece of geometry and configure it as a tetrahedral Vellum softbody. It will then be added to the active simulation and merged with any other existing Vellum objects.
This tool will first simplify, remesh, and tetrahedralize the input geometry before simulation. Afterward the simulated geometry is brought back into this network and used to deform the original geometry with a Point Deform SOP. A tetrahedral softbody consists of two types of constraints. Soft Distance constraints are created along each tetrahedral edge to act as springs to maintain the general shape of the object and Tetrahedral Volume constraints are created to maintain the volume of each tetrahedron, providing local volume preservation.