It would be REALLY helpful to be able to set desired location x,y,z and rotation values rather than trying to rotate and translate things to match nearby related items.
Look in the red box here. It is a little fickle as I find I have to click on an object twice in order for the coordinates to go from locked out to accepting input, but it can be done.
DOS2 Mods: Happily Emmie After and The Noisy Crypt