an approach to 3d printed spare parts

As 3d printing of spare parts gains a foothold, how do you get the parts made near where they are needed? Daimler Buses is using a unique and effective approach to solving this challenge.  The flexibility of 3d printing, combined with standardization and mobility allows the parts to be made near where they are needed.  Read about there approach at https://3dprint.com/281586/daimler-buses-rolls-out-mobile-facility-for-3d-printing-spares/.