Small Blender Things: How to set up simple hdri environment lighting in Blender Cycles
How to use PBR Textures in Blender? - A23D
How to use the Reflection Map for Principled Shader? - Materials and Textures - Blender Artists Community
I've created a bump, reflection, and Displacement maps out of an image texture with the help of photoshop ... credits goes to blender guru : r/ blender
How would you use specular maps now based on what he said? - Materials and Textures - Blender Artists Community