The Proxxon MF70 mini-mill is a cheap and cheerful, but decently made little desktop mill. As such, it’s been the target of innumerable CNC-ification projects, including an official kit from the ...
Vertically integrated steelmaking, like that along Northwest Indiana's lakeshore, dominated the industry after Henry Bessemer invented an inexpensive way to produce steel in the mid-19th century. But ...