Экспорт без лишнего.
FileName – ваш путь к файлу.
import maya.mel
FullPathToFBXfile = "d:/FileName.fbx"
maya.mel.eval('FBXResetExport;')
maya.mel.eval('FBXExportCameras -v false')
maya.mel.eval('FBXExportLights -v false')
maya.mel.eval('FBXExportScaleFactor 1.0')
maya.mel.eval('FBXExportConvertUnitString m')
maya.mel.eval('FBXExportConstraints -v false')
maya.mel.eval('FBXExportEmbeddedTextures -v false')
maya.mel.eval('FBXExportGenerateLog -v false')
maya.mel.eval('FBXExportInAscii -v false')
maya.mel.eval('FBXExportInputConnections -v false')
maya.mel.eval('FBXExportInstances -v false')
maya.mel.eval('FBXExportLights -v false')
maya.mel.eval('FBXExportShapes -v false')
maya.mel.eval('FBXExportSkins -v false')
maya.mel.eval('FBXExportSmoothingGroups -v true')
maya.mel.eval('FBXExportSmoothMesh -v false')
maya.mel.eval('FBXExportUpAxis y')
maya.mel.eval('FBXExportTangents -v false')
maya.mel.eval('FBXExportTriangulate -v false')
maya.mel.eval('FBXExport -f "' + FullPathToFBXfile + '" -s')