CNC lathe. By Hayri. 17:04 video:
Construction of 80/20™ or similar extruded aluminum is best for this sort of project, light yet rigid, easily fabricated, a little costly but labor saving.
Linear guides; no better choice, lots of full size machine tools use them.
Winning feature in opening pic; widely spaced spindle bearings and doubled at the head; lots of full size machines look proportionally too short.
Also, he didn't scrimp on carriage width, lots of full ......yaddy-ya do not!
...we'll learn more by wandering than searching...
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