Every single drawing we do in this course is an exercise, rather than something destined to be a "finished" piece. Each drawing serves just to help us develop our underlying grasp of how to work in 3D space, how to think in 3D space, and how to manipulate our forms within that space. Nothing you make in this course is meant to go beyond that, and I'd even go as far as to say that if you were to attempt to go beyond that, you'd be distracting yourself from those core exercises.

What that means is that our intent here is to develop your internal spatial reasoning skills, helping you to develop your ability to work without the construction lines. Every form you draw through helps to rewire your brain to perceive that page as being a window into a 3D space, rather than just a surface on which you're drawing your lines.

That doesn't mean people don't still use construction, or don't draw through their forms. I do it frequently when I need to solve particularly tricky spatial problems, or when I want to focus on laying down structure. In that case, it really depends on the medium I'm using. I mostly work digitally, so I'll often just paint right on top of my sketch, or produce cleaner linework on a separate layer (not exactly tracing, because I'd still be focusing on executing smooth, confident strokes rather than obsessing over matching those lines perfectly - but close enough). If I were working in pencil, I'd be strategic with the use of an eraser, or incorporate the construction lines into my use of tone.