Well, I tried.
Based off of Male Saber - And well, there's only so much you can do going between two different artstyles and having to make things up as you go to account for details that didn't exist in source-material, as well as dealing with whatever limitations the facegen, as amazing as it is, throws at me.
I uh, did
try Saber Arturia... But uh... Well... That's not getting posted online until after a few visits to the Diamond City plastic surgeon. Oddly enough I think Rin might be doable, quite well at that especially since a similar enough hairstyle is in the vanilla game, but I really don't feel like bothering since I never really cared that much and I'm busy juggling a playthrough of FO1 right now to start a fourth character.