[Bam] from the LulzBot forums has successfully printed metal using his 3D printer and a Budaschnozzle 1.1 hot end. Well, solder to be specific — but it’s still pretty awesome!
He’s making use of 3mm solder purchased from McMaster (76805a61), which has a blend of 95.8% tin, 4% copper and 0.2% silver. It took quite a few tries to get it extruding properly, and even now it seems to only be able to print about 15mm before jamming up — a more specific hot end with a larger thermal mass might help. He plans on trying a thinner filament (1.75mm) … Read the rest
from Hack a Day http://hackaday.com/2013/11/07/3d-printing-with-metal-at-home/