Hello Sir / Madam, I am Hem Pathak, having 3 years of experience as design engineer, having experience in 3D modelling, engineering drawings and reverse engineering of any product. Example - pump's impeller, mixer blade, HSC pump's casing, NRV valves, automobiles parts, robotics arm. Recent project- Please have a look at the attached file for an example. This CAD files which i have created matches within 0.004 inches. I have some examples to showcase you.