just create another magnet, copy all the magnet values applied and then invert the values that involve X position and rotations ( Y and Z) for the 3 elements: zone, base and magnet.
of course there are scripts to do that but maybe need a commercial product :)

Fabi @FKDesign

One in some place under Southern Stars...
Don't tell me that I am wrong if I say I saw pointed ears this morning, in my mirror... they are there.