Meshmixer

Meshmixer is a free 3D mesh-processing application from Autodesk designed for working with triangular meshes. It provides tools for sculpting, mesh smoothing, mesh repair, boolean operations, hollowing, support generation and other operations commonly used to prepare models for 3D printing or to refine scanned 3D data.

The tool is aimed at designers, hobbyists and makers who need an accessible, focused app for quick edits, cleanup and combination of 3D models rather than a full feature set of l...