Ben Lustenhouwer. Portrait painting is difficult enough. I show you how to plan parts step by step. A value plan, a color plan, a plan for the composition. Al kinds of problem solving components to facilitate the proces.
See also hundreds of tips and tricks: https://paintingportraittips.com
And more portraits: https://www.lustenhouwer.com
For those who don't understand the enlarge technique : I extend the diagonal line in the small size rectangle to the right and up. It ends somewhere in the upper right corner. If now I draw the right vertical line, in some point it will cross that diagonal. In this intersection point I find the top horizontal line.