not sure if any one here follows this type of stuff, but these guys have a 3D printer that will use metal. Welding and milling combined but need to develop the software for G-code.
https://www.kickstarter.com/projects/974179222/ability1-3d-print-real-metal-parts-at-home#
Pretty neat and if they actually get it going it would be very useful...
https://www.kickstarter.com/projects/974179222/ability1-3d-print-real-metal-parts-at-home#
Pretty neat and if they actually get it going it would be very useful...