Tool MetalFab is a unique laser cutter/welder that can handle materials 0.2-10mm thick. The machine can be used as a gantry ...

(Use science for peace please!) I did really need a spot welder though, and there was no shortage of examples of people who had built their own from supercapacitors, typically in the 500 F range.

Sponsored Content. The sponsor may receive a commission on purchases made from links. Metal fabrication is both an exceptionally practical skill and an avenue to some remarkable works of art.