There are lots of 3D programs out there.  Many offices will use different programs for different reasons.  Here are some recent tutorial and guides to keep it all straight.  Evan Troxel at has devised a 3D software cheat sheet for moving between programs in the most effective way.  He also explains the results you should expect.  It does get updated from time to time so use this permanent link.

Angel’s blog offers ways for moving between Blender and SketchUp (and back again).


A Sketchup to V-Ray complete workflow in videos: