Woodturning Chuck - Spoons

This was designed, along with my father, to hold a piece of wood for turning on a lathe. The idea is to turn a handle and a sphere initially. The sphere will then be mounted into the center of this chuck and held in place with M4x70 bolts and nuts, tightened to grip, with the handle emerging through one of the side cuts. Once mounted onto the lathe using a grip chuck, the sphere can be cut in half and turned out to form a bowl.

Ideally, this should be printed in a strong material, such as PET