I have one of these tablets ,bought the table second hand and then purchased the software and cordless pen.
Its a great tool and yes you can copy a 2D object ,there even is software to allow a large diagram ---saves being a cad person as it outputs dxf
http://youtu.be/7YDp26vcnqU
http://youtu.be/G1FQgcDPuRA
these are 2 of a few demos i did ,more info from
john.walsh@logicgroup.com logic group
john can fix you up with a smaller version or something like mine
or write me for more info
http://youtu.be/ZBPSzPKAu2I this is a good demo showing the trace and the cut --product duplicated