I need custom snowmobile trailing arms designed in CAD for milling from solid 6061 aluminum. Requirements: - Provide CAD files in the most suitable format for milling (STEP, IGES, DXF). - Utilize provided measurements and adjust dimensions to enhance strength... (Budget: $250 - $750 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Rendering, AutoCAD, CAD/CAM, Mechanical Engineering, Solidworks)