UPS (The shipping concern) is already testing the idea of having 3D Printers at their stores. For simple machines and parts, there is already a projected path

UPS (The shipping concern) is already testing the idea of having 3D Printers at their stores. For simple machines and parts, there is already a projected path in which your online purchase has the product being manufactured at one such location and delivered to your doorstep with about the same speed as a pizza. This is going to be the most cost-effective way of undercutting Chinese manufacturing and bringing those tasks back locally.