I’d only be interested in charcoal if it had immediate benefits. It’s sounds like it might.

Right now I am interested in cleaning up line work and creating the impression of dimensionality.

Would adding color be a good way to help legibility?

I feel like I want to avoid charcoal like the plague, but again if it’s a worthwhile investment of time, I guess I could.

Below are some additional examples of what I have been drawing.