They could be reduced, but I think they will still look out-of-place if the outsides aren't the same as the pawn and ferz. So I took your anti-aliased crescent, reduced the size a little, and placed it inside the existing shell. So the crecents are anti-aliased but the outside isn't:
Thanks Fergus. These look nice, but unfortunately they do not match the existing pieces:
https://www.chessvariants.com/play/pbm/play.php?game%3DShatranj+Kamil+%2864%29%26settings%3Dabstract
They could be reduced, but I think they will still look out-of-place if the outsides aren't the same as the pawn and ferz. So I took your anti-aliased crescent, reduced the size a little, and placed it inside the existing shell. So the crecents are anti-aliased but the outside isn't:
Does this work?