How do I decide, basically, where to start when starting a new drawing? So everyone knows I am 100% completely green to SolidWorks. This is probably a difficult answer to answer. Please see the attached photo. I would think that one would start on a top plane? I have experience with AutoCad and Architectural drawing and you pretty much always start with a 2D floor plan view but 3D mechanic drafting tends to very how a person would start drawing a part