02-03-2020, 08:42 PM 
	
	
	
		The easiest method is with the arakne path creator. You can find details here:
https://www.gimp-forum.net/Thread-arakne...-creator-8
If you have a selection the semi-circle will be created inside the selection. Otherwise the whole layer is used.
Once you have the path do Edit > Stroke path. Best done on a new layer.
	
https://www.gimp-forum.net/Thread-arakne...-creator-8
If you have a selection the semi-circle will be created inside the selection. Otherwise the whole layer is used.
Once you have the path do Edit > Stroke path. Best done on a new layer.

 

 
