Unity isn't recognizing Maya 2010 .mb file?

I am working on a project and have done all my models within Maya 2009 and Maya 2010. All the models that have been done 100% in 2009 have imported fine within Unity....the files that I have done in 2010 were initially recognized but after changing the file directories and adding textures to them, they are not being recognized (they show up as white piece-of-paper icons). I have tried just doing a fresh import but they are still not being recognized. HELP!

Maya 2010 definitely works with Unity.

There are some caveats:

  • Maya supports a bunch of features that Unity and most game engine would not support (like NURBS, hair, dynamically generated effects like smoke)
  • You must have the latest Autodesk FBX exporter installed

As elbon96 suggested. First, try exporting your model to FBX manually, then importing that into Unity.

As you noted, the import worked before you made two changes. Please backup your work, undo the changes and redo them one at a time to find the culprit. Perhaps after moving the folders around the links to the material/texture files has been broken. Perhaps the texture file is corrupt.

Also, consider listing what features you added since the last time the model successfully imported.

Unity works fine with Maya 2010. Can you make sure your file associations are correct, i.e. if you double click in your Maya 2010 file (in Windows Explorer) it should open it with Maya 2010.

Does Unity give you any errors when failing to import?

Can Maya 2010 export FBX files? I'm not familiar with it, but FBX files have always worked for me.

Well, I installed the FBX plug-in for 2010 but for whatever reason I don't know how to find it....I've watched videos showing people simply going into the file > export and the FBX option and the FBX plug in shows up....it isn't there in my version.

Make sure you set the FBX format option (in the export dialog) to FBX 2009. Then it works flawlessly with Unity. BTW, no need to use an older FBX plugins installer, you can use the latest FBX plugins normally (ie. 2011). It's just the format that you must set to 2009.