Using Boolean modifiers to cut holes in objects | Blender 3D Basics Beginner's Guide Second Edition
Boolean difference leaves a hole in the modified object : r/blender
How to use boolean modifier in Blender - Artisticrender.com
Artifacts when using Boolean - Modeling - Blender Artists Community
Boolean – Blender Knowledgebase
GitHub - Philipp-Seifried/Blender-Massive-Boolean: Blender add-on that can combine tons of objects, by running clean up steps after each Boolean operation.