At 30,000 FPS using a Phantom V2512 Camera, plasma cutting has never been so clear. The insanely hot cutter makes easy work of a bar of solid stainless steel as well as a bar of mild steel.

Hobart's new AirForce 250ci is a plug-and-use plasma cutter, and it features an internal compressor so it's not necessary to hook up to an external air source.

For the plasma pen, two brass electrodes form the spark gap and a brass tube blows air to direct the arc to the work piece. If you are looking for something bigger, you could lay out about $8,000.

Little Shop of Physics has built a miniature plasma cutter using a pencil lead together with 4 x 9 volt batteries and a couple of clips allowing you to cut through aluminium foil.

1 / 2 Show Caption + The Machine shop recently purchased a Plasma Cutting System (PCS) 5000EH. The new PCS can slice through up to three inches of thickness of steel and its capabilities will cut ...