Slush-Cast Headpiece Mold Design

I already have a clean, watertight 3D model of the headpiece. I now need that model converted into a production-ready slush-cast mold that I can 3D-print or CNC. Scope • Split the model into logical mold shells, adding registration keys, pour spouts, and air vents optimised for slush casting... (Budget: $20000 - $50000 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Printing & Rapid Prototyping, CAD/CAM, Product Design, Solidworks)