CAD/CAM Services use CATIA Tool test models for best design in CATIA. CAD/CAM services spend some time to analyze it and get a rough idea of what the object will look like. They look for what the object is and how it can be modeled. CAD/CAM services make sure that they choose the proper environment and modeling strategy and it can be a solid shell, Boolean operations, solid to sheet metal, or surface extracted from solid.