Uses a welder and welding wire:
http://www.ibtimes.com/3d-printing-meta ... 00-1492114
DIY Metal 3D Printer
Re: DIY Metal 3D Printer
Filament deposit meets heavy metal. But still filament deposit.
The daylight is uncomfortably bright for eyes so long in the dark.
Re: DIY Metal 3D Printer
Huh? This implies a simple raster scan rather than contour tracing. But why couldn't the arc be reinitiated on the other side of the hole? Startup blobbing unacceptable?“We can [make] any 3D object that could fit in a breadbox,” Pearce says – with the caveat that the object cannot have any vertical holes running through it, because of how the welding machine works.