A python module for scientific analysis of 3D data
...Split mesh based on surface connectivity. Extract the largest connected area. Calculate areas, volumes, center of mass, average sizes etc. Calculate vertex and face normals, curvatures, feature edges. Fill mesh holes.
...Written in C++, it is available under a liberal BSD license. There is a C API as well as bindings to various other languages, including C#, Python and D. Assimp loads all input model formats into one straightforward data structure for further processing.
RIB Mosaic is aimed at providing a complete RenderMan(TM) development environment for Blender. It provides tools for developers to create and distribute artist friendly GUI's that control custom RIB export. This makes it easy to use Blender with any RenderMan(TM) compliant renderer or render specific feature.