Don’t neglect your Options Bar when running commands!
If you want to copy something and then rotate it in another direction, there is one simple way to do this. You will need to run the rotate command instead of the copy command.
Once you start this command, the Options Bar will appear with some modifiers specific to this action.
We can just hit the check box for Copy. We set our base point and click a second time for the rotation.
This time when we rotate our object Revit will copy it also.
This is a great tool for saving time. You should always check your Options Bar for more ways to expand the basic commands and work more efficiently.