a 'shell' modifier for THREE.js usage:
//shell modifervarshell=newTHREE.ShellModifier();vargeom=shell.modify(geometry,thickness);example:
model.html loads a model and applies the shell and smoothing modifiers
primitives.html will decimate some triangles from a primitive mesh then perform the shell and smoothing modifiers with a torus primitive
with a torus knot primitive
