Extrude and Size with Blender | JayAnAm - Tutorials & 3D models
Extrude Mesh Node — Blender Manual
3D Modeling with Blender – Digilent Blog
Blender 2.8 - Why my extrude option is not creating new faces? Also when I try to extrude a smaller face inside another faceit would drag all the faces together : r/blenderhelp
Extrusion tool in Blender caused "hollow" objects in Godot - Godot Community Forums