Bisected shell of a chambered nautilus (*Nautilus pompilius*) to show internal chambers.
Chambered nautili are relatives of squid and octopuses that live along the shores and coral reefs of the South Pacific.
More info on this species here:
https://animaldiversity.org/accounts/Nautilus_pompilius/
Captured with Artec Spider 3D Scanner
https://www.artec3d.com/portable-3d-scanners/artec-spider-v2