3 3d-printed versions of my anatomical snail Helix pomatia. The middle one is also painted to show the organs better. The unpainted ones are white on a black background. You can see the internal organs of the snail because I designed it so that the shell is cut right above its opening. The organs have the position they have in real life.
https://cdn.masto.host/socialserverscience/media_attachments/files/109/614/732/784/811/970/original/bde2d374d55782c4.jpg