This contribution contains the 3D model(s) described and figured in the following publication: Carolina A. Hoffmann, P. G. Rodrigues, M. B. Soares & M. B. Andrade. 2021. Brain endocast of two non-mammaliaform cynodonts from southern Brazil: an ontogenetic and evolutionary approach, Historical Biology, 33:8, 1196-1207, https://doi.org/10.1080/08912963.2019.1685512