Creating RGBA Mask - Adobe Substance 3D Painter

You can do the same process for the Alpha channel is you want a fourth mask. Just add a "R+G+B+A" instead of a "R+G+B" output in Substance Painter, add a User 03 and plug it in the A as a gray channel. Track: Salon Helga — Broke In Summer [Audio Library Release] Music provided by Audio Library Plus