好用的工具

meshlab;

http://sourceforge.net/projects/meshlab/?source=dlp

PASCAL Visual Object Classes Challenge:

http://pascallin.ecs.soton.ac.uk/challenges/VOC/

ogre-mesh-viewer

http://code.google.com/p/ogre-mesh-viewer/source/checkout

3d建模软件

http://download.cnet.com/windows/3d-modeling-software/?filter=licenseName%3D%22Free+to+try%22%7C&filterName=licenseName%3DFree+to+try%7C&rpp=&sort=