Hi working on some cars to make their surface of the mirrors so I use fill hole for this but this tool fill the whole hole some times I need to fill only some parts like in this situation:


So as you see the side part suoldn't be filled so what can I do I'm not really in modeling mostly animating rigging only so what can I do I tried to add more egdes like 3ds max but I couldn't do that or anything else that works plz help.