I made this for a “punch” swap, where the deal is that you need to use punches to cut into your card and reveal things underneath. Everything is punched, except for trimming the straight edges of the card (and cutting the circles, which were made with a punch, into half circles)
All the images are from works of Leonardo da Vinci (Virtruvian Man, Mona Lisa, The flower of life design, and the foetus).