ACS will not only assist you to convert your hand drawn sketches into 3D or 2D workable CAD files, but will make sure your drawings are produced as per engineering standard and the manufacturing process involved to make the components. Avail CAD Conversion Services from ACS CAD Services. Contact us at firstname.lastname@example.org or Call us at 508 948 0363. Affordable 2d to 3d conversion, correct! We convert scan PDF to 3d models, STL to STEP, DWG to STL, STEP to STL and many other CAD Conversion Services.