trying to make a cabinet that has 2door/2drawer on one side and 2door/false front on the other side- I have built two cabinets and tried to use the associative feature to transfer machining from one side to the other- 

I am missing the machining for the hinges and false front on the back side of the cabinet.

Two options:

1- Can I copy the machining from the one side to the other side somehow?

2- I tried modifying the base island with no luck- I am running toolbox v48,  where there some updates that made the island feature with more options?

Thanks.