The last time I bought welding wire it was 3-4 dollars/pound for cheap flux core stuff, so I can't imagine how much this cost to 'print'. Most metal printers s

The last time I bought welding wire it was 3-4 dollars/pound for cheap flux core stuff, so I can't imagine how much this cost to 'print'. Most metal printers seem to work in a box full of helium/argon, but in this case they were just venting the shielding gas and probably using several times more than necessary.