Sometimes in Substance Painter you want to control a mask that is pre-generated, like generators or smart masks. There’s a simple little trick to doing this: using a parent folder as a “dummy” mask layer. Here’s how you do it:
texturing
How to use Polygon Fill to create masks in Substance Painter
A short step by step beginner tutorial on how to use Polygon Fill to create non-destructive editable masks in Substance Painter.
Chiaro's 