Hey Dean
If you want to do it that way you can glue screw some strips of wood a little below were you router plate well go after cutting it out and then just put 4-6 wood screws in the strips of wood to use as levelers.
If you want to do it that way you can glue screw some strips of wood a little below were you router plate well go after cutting it out and then just put 4-6 wood screws in the strips of wood to use as levelers.