Awesome puddle effect for your PBR textures, no special setup required!
Included in FxNodes for Blender
Textures used for banners:
How to use:
File > Append or Link
Browse to BlenderPuddleShaderV1.blend > NodeTree, then select BlenderPuddleShaderV1.0, you can also enable Fake User in the right panel
After appending or linking you can find the node group in your Shader Editor > Add > Group
Connect your PBR texture, enjoy!
Blender Puddle Shader.blend