STL Redesign from Sketch

I need an STL file redesigned to closely match a drawing or sketch. The final STL will be used for 3D printing a physical object. Requirements: - Modify existing STL to match sketch - Maintain main... (Budget: £20 - £250 GBP, Jobs: 3D Animation, 3D CAD, 3D Design, 3D Drafting, 3D Modelling, 3D Printing, 3D Rendering, Solidworks)