Archive notice: This article was originally published on January 29, 2016. Links and embedded videos are preserved as part of the historical record.
Thanks to the new feature, different subsets of mesh points can be grouped into collections, called Complexes in Meshmixer, to which different materials can then be assigned.
Also new: an Unwrap tool for smoothing surface patches, the Units/Dimensions tool for real-world scales, and export support for the SMesh format.
You can download Autodesk Meshmixer free of charge here. It is compatible with Windows, OS X and Linux.
Here is the Meshmixer AU 2015 Demo Ree:
