I am a mechanical designer.I have design transmission system for wind turbine, analyze wind flow and fabricate wing box in my university year.I have design several concept item in GrabCAD. You can check a few sample of my work here: https://grabcad.com/wan.irfhan-2 Let me know if there is anything I can do for you as i am passionate in designing and I am willing to work to your satisfaction. Quality is my first priority and I would assure you that if you are not satisfy with my work, I am more than welcome to refund your money back.