I am a mechanical design engineer with more than 20 years experience working as a contractor for various clients from concept to detail drawing. Experienced managing a diversity of projects with tighten deadlines, project management, R&D and experimental manufacturing. Proficency on Autodesk Inventor. Work experience: R&D engineer, sr. design engineer, group manager, manager of experimental workshop, freelancer. The best examples of my works are pneumatic sheet metal decoiler, platform goods lifts, drag chain and screw conveyors, kinetic objects, etc.