By Clint Brown
Here's another great productivity hack in Autodesk Inventor. There is a hidden feature in assemblies called "Create Substitutes" which allows a user to create a shrinkwrap substitute Level of Detail (LOD) of each of the sub assemblies in a top level assembly. The tool also sets the top level assembly to an LOD that switches all of the sub assemblies contained within it to shrinkwraps...
It's much easier than it sounds, check out the video below!