I have a plan which I'm using to create wall for a building. This plan has 3 walls (1,2,3 on the picture below).
The wall #2 should be deleted in order to give space to a door (I've made this way to avoid
invisible mesh creation as pointed out here).
I'm new on blender an reading the basics says to use
x for doing that. None of them worked for me.
These wall are created using the extrude functionality (hotkey
Also removing the model in object mode ends up in deleting all walls (which is not what I want).