I really like this method of drawing a three-quarter back view of the human head.
I first started using this technique 1-2 years ago and don’t remember whether I saw it somewhere, was inspired by a diagram or illustration, or invented it myself. If you know where it’s from let me know. I also use it as a great artistic warm-up to raise my motivation and get positive vibes before a drawing session.
Here are some brief notes on the various steps: