"meshmixer is an experimental 3D modeling tool developed by Ryan Schmidt, who otherwise does computer graphics research. meshmixer is now part of Autodesk, a global leader in innovative design software and services."
"The goal of meshmixer is to make it easy to compose new 3D models from existing meshes. Give it a try and tell me what you think, either in theforum on twitter @meshmixer, or via email."
Learn more about Meshmixer and download it for free here: