Thx for this one Nick. Bought your course couple of weeks ago, which I highly recommend to everybody, and learnt a lot with it. Missed your tutorials in RU-vid for a while and I am happy to see you back. Keep it up!
Yes you can! Each element is a separate group which has its Position and Scale controlled by expressions. I would just duplicate one ofd the iris groups and replace the shape and colors inside it with whatever you want.