It’s been a while since I’ve done any portrait painting. Getting warmed up by doing some Asarohead practice. Very useful to have the planes clearly shown. A bit like painting a very complicated cube.
Online Asaro Head
There’s a great online 3D head by William Nguyen at Artstation. It’s not an exact Asaro head but has the main planes and is very similar. You can rotate it using the mouse and the lighting moves around the head so you can pause the video at the exact pose and lighting setup you need.