modeling - Why does 'Knife Project' only sometimes select the new faces? - Blender Stack Exchange
Knife Project — Blender Manual
The way Knife Project works was updated recently. It's a bit more efficient, but I recommend selecting the cutter object in the Outliner so you don't... | By Blender Secrets | Facebook
Daily Blender Secrets - How to use the Knife Project tool - YouTube
Knife Project
Knife Project — Blender Manual
2.93.4 "Knife Project" not working - Modeling - Blender Artists Community