Mechanical Design & Engineering Assistance

I have a mechanical concept that now needs to move from idea to manufacturable reality. Your role will be to refine the design, build the complete 3D CAD model, generate fully-dimensioned technical drawings,... (Budget: $30 - $250 NZD, Jobs: 3D CAD, 3D Design, 3D Modelling, CAD/CAM, Finite Element Analysis, Manufacturing Design, Mechanical Engineering, Solidworks)