Mohammed Saad-Gastank Assembly
https://drive.google.com/open?id=1Doksk8NSPu4Ep7QCpB953hkol1IL_B7P
Features Learnt: Surface knit, Surface loft, Cut sweep options to the model Gas tank. Concentric mate, Coincident mate, Distance mate, Angle mate, and Parallel mate to complete the assembly of the chopper.