Use “Add Duplicate” , Shift+D or Ctrl+D (not sure witch one is by default) and MMB for choosing any axis.
I would suggest the following topic for more general questions: “For Modo user switching to Blender 2.8” (https://blenderartists.org/t/for-modo-user-switching-to-blender-2-8
It is possible to make Blender more user friendly and quite similar to Modo, and keKitt is one of the best addons on the path of doing so