Learn how to I created this realistic window PBR texture in Substance Designer.
The package contains:
Full Substance Designer Graph.
1 External Dirt Texture.
OBJ Mesh for Nonsquare preview in SD or Marmoset.
https://gumroad.com/l/Window_SD_Full_Graph
http://cbr.sh/73kixc
You do not need external plugins.
Sub.Designer version : 2018.1.0 build 1039