tumbler ball mill | 3D CAD Model Library | GrabCAD. Join 9,380,000 engineers with over 4,860,000 free CAD files Join the Community. Join 9,380,000 engineers with over 4,860,000 free CAD files Join the Community. Load in 3D viewer Uploaded by Anonymous. The CAD files and renderings posted to this website are created, uploaded and managed by ...