Although I've never self-published any books, I'm a former best-selling author of 9 books that are printed in 11 different languages (which are also sold on Amazon--not sure if any brick and mortar stores that used to carry my books exist as retail distributors anymore). The digital formatting for printing is the same. If this is something you'd like to do, I would be happy to layout your digital material into a format that Amazon on-demand services requires. You can create the account and book, but you can "publish" or "release" the book on any schedule you choose. I'm sure it'll take a while to get everything created, so there's no deadline or anything.
Just keep creating your artwork and if it fits your story bits, perhaps you'll see if it all goes together to make the contents of a book. And if at that point, it's something you'd like to take to that next level, I'm here to help you if you like!