Manufacturing Ready Product CAD/3D Design

I am looking for a 3D designer for a component prototype. Once I review the first pass we may go through one or two quick iterations for fit or cost optimisation; I consider those tweaks part of the job... (Budget: £10 - £20 GBP, Jobs: 3D CAD, 3D Design, 3D Modelling, CAD/CAM, Manufacturing Design, Product Design, Prototyping, Solidworks)