3D CAD Model Creation from images of Prototype and sketches

I need a 3D CAD file created that will be ready to send to a mold creation company in a .STEP or .STL file. You will need to create this based on an image of a prototype we created and some sketches.... (Budget: $30 - $250 USD, Jobs: 3D CAD, 3D Design, 3D Drafting, 3D File Scaling, Slicing & Print Preparation, 3D Modelling, 3D Print Design, 3D Rendering, AutoCAD, CAD/CAM, Solidworks)