Figuring out how blender works and made this shader for masking bad normals. Not sure if it's useful (also doesn't fit 100%). : r/blender
Blender 2.8 Eevee Tutorial - How to Flip Normals in Blender 2.8 - YouTube | Eevee, Blender, Tutorial
GitHub - Philipp-Seifried/Blender-Normals-To-Vertex-Color: Simple Blender 2.8x addon that copies a selected object's normals to its vertex colors. Useful for some shader tricks.
How to flip normals in Blender 2.8? | DESIGN SYNC
Is it possible to select normals in Blender based on the direction they are facing, so they can be flipped? - Quora
Create a procedural Normal Map in Blender - BlenderNation
mesh - display face normal direction in blender 2.8 - Blender Stack Exchange
Vertex normal editor blender 2.8 - Modeling - Blender Artists Community