I make 3D renders of Mario, Neptunia, and more. All custom models featured in my gallery are mostly made by yours truly and are not for public download, so do not ask me for any of my models. Thank you.
Original image source: Here
I really missed your Rosalina artworks or screenshots, they're really amazing. I wish you can let us download the models of her (as well other characters) like the Swimsuit I love.