How do you handle the need for spare parts?
The US military is already dealing with this in remote part with 3D printers.
US military working on backpack-sized, £440 3D printer ZDNet … on backpack-sized, £440 3D printer. Summary: The US Army already uses a 3D printer setup to produce spare parts in Afghanistan, but it has now unveiled a smaller, cheaper version that it says could make its way into people’s homes in the coming years.
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