Starfox 2 was never released (officially) and it was not in 3D. So, the chances of anyone seeing Miyu that isn't a morphed out Krystal is not very high.

I made her a while back, and if you look in the picture in the background... Yeah, that's Fox McCloud (and look... It's not a morphed Krystal! (Sorry, that Krystal model is everywhere and people are always asking me if this or that is made from that Krystal... No... I used that Krystal model once and never again.). Anyhow, thought I would share this picture. No 3D fur this time. But that's because I wanted Miyu's markings to stand out. :)

(None of the StarFox models I share pictures of are available for download. I won't share them, because I'm greedy and I don't want to see them everywhere.)