Detect intersection edge for boolean and tweak it — Right-Click Select
GitHub - Philipp-Seifried/Blender-Massive-Boolean: Blender add-on that can combine tons of objects, by running clean up steps after each Boolean operation.
New Boolean - Released Scripts and Themes - Blender Artists Community
2.8 Having trouble with Boolean Modifier - Blender Stack Exchange
How to use Boolean Operations in Blender – JAY VERSLUIS