Move internal drawers back and shorten fillers in a drawer system
Set Drawer Offset(from front) to push an internal drawer set's boxes and fascias back, and Fillers Depth Reduction to shorten the fillers from the front.
Drawer System > Properties > Drawer Offset(from front) moves an internal drawer set's boxes and fascias back by the value (0 -> 80 moved them 80 mm back).
Fillers Depth Reduction shortens the fillers from the front by the value (520 -> 440).