Made one for my dad in the late sixties in high school from a idea by the teacher. An old hand drill chuck mounted on a threaded at the ends rod neck bent about 45' near one end and the other screwed into a base of steel. Not to fancy or to many parts to get youngens frustrated
Been there, probably broke it, doing that!
I am not a lawyer, and never played one on TV!
All the usual and standard disclaimers apply. Do not try this at home, use only as directed, No warranties express or implied, for the intended use or the suggested uses, Wear safety glasses, closed course, professionals only