PLA with actual metal in it that you can make metal parts from

I’ve been following Integza for about a year now. This time, he’s experimenting with a 3D printed rocket nozzle made from a filament from VirtualFoundry which contains metal and PLA. The part is printed on any 3D printer with a .6mm nozzle. You then burn off the PLA and then put the part in a kiln to make a metal part.

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I have been following too. I’m a little reluctant to buy a burnout oven though and haven’t investigated it. I could also use such an oven for heat treating and casting brass and aluminum. Also … I need another printer.