Hi Bo,

It seems possible that you can buy than plane used and even cut it and make drawngs, isn't it ?
But cuting is not needed....and capturing can done from photos too. The Mechanical Engineers tend to use AutoCad and associated periferals to get the whole "thing"captured and even further prepared for cutting the balsa and plywood on NCM(numerical-control-machine, eventually also laser). You can even get some business refund if you do it for that plane. Unfortunately I am not knowing more about the specific tools, but AutoCad is one of the most popular. Why not checking with the nearest University or Professional School around - they might enjoy giving student project to capture the "thing" for you as part of the Student training - of course you should entertain them with some flying ... There are nice kids & teachers everywhere...

Cheers,
Nick