This is a Extender Base and bottom clamp for a Wood Lathe Steady, Print with 6 walls , 50% infill PLA + , You'll need it due to vibrations and force of turning. Its designed to fit on a Record Coronet Herald Wood Lathe or others with a bed to centre height of 17.5 cm , Any different then feel free to download and alter.

The actual main part of the steady can be found here https://www.myminifactory.com/object/3d-print-jet-1014-wood-lathe-steady-rest-118463 Its not my design but again I recommend printing it strong, min 4 walls and 50% infill