Using Custom modules in MotionBuilder

where to put your custom modules for each version.

In MotionBuilder2013
C:\Users\<UserName>\Documents\MB\2013-x64\config\PythonStartup

In MotionBuilder2012
C:\Program Files\Autodesk\MotionBuilder 2012 (64-bit)\bin\config\Python

In MotionBuilder2011
C:\Program Files\Autodesk\Autodesk MotionBuilder 2011 64-bit\bin\x64\python\lib\plat-win


http://docs.autodesk.com/MB/MB2013/ENU/MotionBuilder-SDK-Documentation/index.html?url=py_ref/index.html,topicNumber=py_ref_index_html