Being traditional depends upon which tradition you claim. You’ll look really wild if you emulate this very old, old master. Giovanni di Paulo’s Creation of the World and Expulsion from Paradise lives at the Metropolitan Museum of Art in the Robert Lehman Collection. If you derive your ideas from this source, though, will you look fifteenth century-ish or will you look super cutting edge, way out at the edges of the envelope? I’d love to see what somebody would do with this.
Try copying his figures. It’s amazing how hard it can be to copy something that is very mannered and out of proportion. You have to pay extra close attention to forms when the work departs significantly from nature. It really brings out your inner Xerox machine.
There is no such thing as modern. Real art lives in the present tense.