Blackspots after baking the cavity map, is this normal? - Ask - GameDev.tv
Baked normal map wonky on a solidified cylinder - Materials and Textures - Blender Artists Community
Here's how to bake a Normal map in Blender to use in game engines and other Blender projects for low cost of performance :), full free PDF and YouTube tutorial counterpart below :) :
Normal maps are not baking - Blender Stack Exchange
Baking normal maps in Blender – Oded Maoz Erell's CG Log
Blender Bake Normal Map Beginner Tutorial
[Blender 2.8 Tutorial] How To Bake Normal Maps? (No Sound Required!)