Hi, My name is Nguyen I´m a mechanical engineer with 5 year experience. The strongest of my skills are: + Modeling 3D + Assembly + Change from pdf to dxf file + Technical 2D drawing + Design of new models according to your concept + Design 2D, 3D sheet metal drawing You will receive .stp file (step-file), Inventor or Solidwork file (3D model). You will receive .pdf, .dxf, .idw (Inventor) or .slddrw (Solidwork) format (2D drawing). Contact me in case of further wishes concerning file formats. I work with Autodesk Inventor Professional and Solidwork. Please always contact me before placing an order! I'm looking forward to work with you! Thank you & Best Regards, Van Nguyen