Press B when you inset the face that you are now extruding so that the ends which are matching the other mirrored side are joined together at the middle. You might have missed the part where Andrew explained this problem it in his tutorial at 07:12 .. He explains it quite well than what you might understand here.

Press B when you inset the face that you are now extruding, so that the ends which are matching the other mirrored side are joined together at the middle. You might have missed the part where Andrew explained this problem in his tutorial at 07:12. He explains it quite well so sure you will understand.

Press B when you inset the face that you are now extruding so that the ends which are matching the other mirrored side are joined together at the middle. You might have missed the part where Andrew explained this problem it in his tutorial at 07:12 .. He explains it quite well than what you might understand here.

btw this is my first answer on Blender Stack Xchange

Press B when you inset the face that you are now extruding so that the ends which are matching the other mirrored side are joined together at the middle. You might have missed the part where Andrew explained this problem it in his tutorial at 07:12 .. He explains it quite well than what you might understand here.