The base and bed of the machine are welded from scrap steel I-beams ... as do simple tools like a hand drill, files, and a welder — and yes, the unfinished lathe itself, which was used to ...

Contrary to CNC Milling Lathe machining is for circular geometries (stock is commonly a solid/hollow cylinder) but a hexagon or square can be turned down to a cylinder. Instead of spinning the tools .