yeah, pretty much this, just don’t forget to hold shift while using the ellipse selection to force it to create a circle
edit: the steps in order are: Ellipse selection (hold shift for circle) -> fill with black -> shrink selection by X pixels -> new layer -> fill with white
Ellipse selection -> fill with black -> new layer -> shrink selection by 1 pixel -> fill with white? It’s been a while since I’ve really used gimp.
yeah, pretty much this, just don’t forget to hold shift while using the ellipse selection to force it to create a circle
edit: the steps in order are: Ellipse selection (hold shift for circle) -> fill with black -> shrink selection by X pixels -> new layer -> fill with white