I have a Master degree in Mechanical Engineering, I have my own Parametric AutoCAD design station at my home office, I do high quality 2D & 3D drawings, besides some other parametric calculations that will enable you to easily modify or even update your graphic design only by changing some parameters on an excel sheet and all the drawings, parts, subassemblies and assemblies will automatically be updated. If interested, please don’t hesitate to contact me either by: