Autodesk Labs released the latest Plugin of the Month for April.
Material Profiler for Inventor
This plugin is a design tool that allows users to visualize information concerning the various materials used inside an assembly. The materials from top level assembly to all of its sub-assemblies and their components are listed by the plug-in interface. This plugin is only compatible with Inventor 2013.
Also, if you want to look back at older Plugins of the Month, here is the link.
Image Credits: Autodesk Labs, It's Alive in the Lab