What is the future of 3D printers ?

At the same time hospitals that use the 3D printer for the ergonomics of the prostheses. What is the future of 3D printers ? The future of 3D printers is at the garage. With the blockchain : information, once put or the plans put, est the patent put, throught blockchain algorithm to the garage sinces the individual, is located in a garage. At a time when the automotive industry is looking at the world, we have the opportunity to produce more of the individual and in the area of ​​GDP, value added. All by creating new high value added wires added by their automation due to blockchain and by their value of new skilled jobs.Not to mention that one approaches the zeroes stocks.