I am trying to extrude the center of a barrel.
The model on the left side shows what it should look like. The model on the right side shows how it goes wrong for me. I would like to extrude to all sides so that it looks like the left image. However, it only extrudes to one direction.
I have also tried "e" and Alt + s, but that also gives me a weird result:
How can I extrude to all sides?
Thank you.