Unity Export to FBX for Maya


In Unity:

Select Window->Package Manager

Choose Advanced->Show preview packages
     Answer Yes
Select FBX Exporter
     Click Install
     Close the window

Select the models you would like to export, (Primitives will export too.)

Choose Game Object->Export to FBX...
     Export into your Assets, you can move the file later

In Maya
Choose File Import...
     Import the fbx file into Maya

You will need to scale the file by .01