Mmmm kinda? I drew a few model sheets for my 2 main characters when I very first started the comic, but since then I've decided to not reference them anymore, since I really want my art style and how I choose to draw them to slowly change.. Also my characters wear lots of different types of outfits, so I have to make individual outfit design referrals anyway, so yeah. I do, of course, have a color ref., though, and a hair-coloring reference, so I remember all the highlights and such XD Below is an example of the clothing design referrals I do