Of course … … in addition to the @Koumis videos.
Basic use of the BLENDER Boolean modifier:
Now you have other options:
-
Create a shape that will be projected and used as a cutting object.

-
Align the shape to the object in a front view and slightly offset in front of it.
In the front view in Object mode:
- first select the shape and then select the object on which the shape will be projected.
- switch to Edit mode.
- MESH Menu > Knife Project
Extrude the projeted shape
As you can see, you have several possibilities to achieve the desired result…
Personally, I use the Hardops addon (commercial) which offers a multitude of tools for modeling …
Hard Ops thread



