The design of the back of the carA very good example for practicing sheet metal is the work.It was drawn with solidworks.You can draw with the program you know to use and improve yourself.
STL (Stereolithography, filesize: 1.91 MB), OBJ (OBJ, filesize: 18.2 MB), 3DM (Rhinoceros 3D, filesize: 1.52 MB), SLDPRT (SolidWorks, filesize: 3.66 MB), SKP (Sketchup, filesize: 1 MB), SAT (3D ACIS, filesize: 3.19 MB), DWG (AutoCAD, filesize: 1.08 MB), IGE (IGES, filesize: 5.29 MB), PDF (PDF, filesize: 1.02 MB)