Extruder cold end using a standard feeder roller For his filament, [Dominik] chose standard welding wire, and has also experimented with stainless steel and flux-cored wires. Initially ...

[Brett] from [Theoretically Practical] has done with his old MIG welder ... and a spot welding timer. Pre-flow starts the flow of shielding gas a moment before energizing the filler wire, while ...