Plasma cutters are ridiculously cheap these days ... made from a huge toroid ferrite core wrapped with 20 turns of 6 AWG welding wire. Before winding, the core is split in two and epoxied back ...

The table itself is built out of aluminum and designed to be built without welding even ... a homemade CNC machine in mind which [Daniel] is working on. The CNC plasma cutter needs a sturdy ...