Learn how to edit MetaHuman textures by adding unique attributes—like tattoos and scars—to their face. We cover Substance Designer / ZBrush edits, map selection, understanding how MetaHuman different maps and facial expressions interact, baking, and more.
https://dev.epicgames.com/community/learning/talks-and-demos/DqK/customizing-metahuman-textures-unreal-engine