Fusion 360 Prototype Design & Print

I have a functional prototype in mind and need it modelled in Autodesk Fusion 360, then produced on a 3D printer. The design must be robust enough for real-world testing, with accurate tolerances and features ready for PLA printing... (Budget: $250 - $750 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Rendering, CAD/CAM, Fusion 360, Product Design)