I can do 3d CAD product modeling , 2d Technical Drawing and rendering by using different CAD /CAM software like Rhino 3D, Magics, AutoCAD, SolidWorks.
Furthermore I can do CAD modeling of Jewelry article in Rhino 3D, Matrix Gemvision and rendering in V-ray, keyshorts.
I can give you output files in JPG, BMP, PDF, 3DM, IGES ,STEP, IGS, STL, DWG and DXF formats.