Round Salt and Pepper Mill Top

Needed new tops to replace the acrylic on my Trudeau Dalia Salt and Pepper mills. My attempts to get replacement parts from the company were unsuccessful. This model can probably be edited in TinkerCAD to fit just about any salt and pepper mill. The design includes a divot on top for the retaining nut, a square hole (5mm if I recall) for the shaft, and a paraboloid inner cavity to allow printing without supports. I printed a version with facets and Cura still really wanted to put supports on the