Not sure quite where this should sit.
http://www.3dfuture.com.au/2011/06/3...-huge-spanner/
Currently out of the league of most ATM work but easy to see the potential for larger budgets (especially long term space missions). Hopefully a time will come when this stuff will be home viable.
I'd seen plenty of 3d printing before not the scanning capabilities nor the ability to print mechanical assemblies.
Bob