Knife Tool and Shape projection - Blender 3.6 - YouTube
Knife Project — Blender Manual
Problem with knife project tool: the result is not smooth - Blender Stack Exchange
Knife Project — Blender Manual
How To Use The Knife Project Tool in Blender - Skillademia
knife tool cut with shapes and curves — Right-Click Select
Will the knife project tool be implemented in 2.8? - User Feedback - Developer Forum
Cutting out complex shapes can be time-consuming, and on a curved surface it can be almost impossible to get right. Luckily, there's a tool called knife... | By Blender Secrets | In
How To Use The Knife Project Tool in Blender - Skillademia