This script will allow you to assign material IDs randomly to a selection of editable_poly objects in 3dsMax. Assign by object, sub-object, or smoothing group!
Scripts
Wire Bundle Script
Create big bundles of wires easily with this script. You can create a spline and have random wires follow it, or create objects that can be lined up in a path.
Chew Edges Utility
This utility will allow you to quickly (although roughly) chew up the edges of solid 3d objects like concrete pillars or walls.
Select Face Smoothing Group Boundaries Script
This is a simple script that helps you select the boarders between polygon smoothing groups in 3dsMax.
WeldTexVert 3dsMax Script
Use this free utility to quickly and easily weld a lot of texture vertices together as though they were mesh vertices.