This contribution contains the 3D model described and figured in the following publication: Benites-Palomino, A., Sánchez-Villagra, M. R., Paolucci, F., Vélez-Juarbe, J., Collareta, A., Alfsen, A., Dooley, A., Omura, D., Urbina, M., Salas-Gismondi, R., & Aguirre-Fernández, G. (2026). “Extreme cranial asymmetry in extinct benthic feeding sperm whales” . Communications Biology. https://doi.org/10.1038/s42003-026-11074-2