Awesome

mesh_to_pointcloud

The mesh_to_pointcloud package offers conversion of mesh files to PCL pointclouds using OpenSceneGraph.

Supported file types: .3dc .3ds .asc .ac .bsp .dae .dw .dxf .fbx .flt .gem .geo .iv .ive .logo .lwo .lw .lws .md2 .obj .ogr .osg .pfb .ply .shp .stl .x .wrl ...

http://trac.openscenegraph.org/projects/osg/browser/OpenSceneGraph/trunk/src/osgPlugins

http://trac.openscenegraph.org/projects/osg/wiki/Support/UserGuides/Plugins