Discover the entire process of building a robust, custom hand-cranked metal bending machine, from selecting raw materials to delivering precise U-shape bends. This in-depth metalworking tutorial ...

GEARS ABRADE, pistons crack, pumps clog. If engineers had their way, machines would have no moving parts at all. Alas, a sedentary lump of metal would be a paperweight, rather than a useful machine.

Sadly, the usual CO 2-powered suspects in the DIY laser cutter market are woefully incapable of cutting metal. Sure, they’ll cut the heck out of plywood and acrylic, and most will do a decent job at ...