This is exciting! You're about to make your first edits to a 3D model in Blender! Adding the nose guard will give our little Viking dummy some much-needed protection, just like a proper helmet would!
To get started, we need to make a selection. Technically, we could use any of the three selection modes for this part, but face selection is the most efficient choice in this case:
- Switch to face selection mode by pressing 3 on the home row of the keyboard, or by clicking the Face Select icon in the header of the 3D Viewport.
- Use the middle mouse button to rotate the view so that we can see the underside of the helmet, as shown ...