Credits
Beta version · Last updated October 29, 2026
The 3D anatomy in Checkin's videos, posts and pages is built from open scientific models shared under the Creative Commons Attribution 4.0 license (CC BY 4.0). We're grateful to the people who made them.
3D anatomy models
- BodyParts3D, © The Database Center for Life Science (DBCLS), CC BY 4.0. lifesciencedb.jp/bp3d
- HuBMAP 3D Reference Organs by K. Browne and H. Schlehlein: Lung, Male v1.4; Brain, Male v1.4; Small Intestine, Male v1.2. CC BY 4.0. humanatlas.io
- Allen Human Reference Atlas 3D 2020, © 2019 Allen Institute for Brain Science, via the HuBMAP brain model. CC BY 4.0.
- Neudorfer et al. 2020, MRI atlas of the hypothalamic region, Scientific Data 7:305. CC BY 4.0. doi.org/10.1038/s41597-020-00644-6
- CIT168 subcortical atlas, Pauli, Nili and Tyszka 2018, Scientific Data 5:180063. CC BY 4.0. doi.org/10.1038/sdata.2018.63
What we changed
Checkin adapted these models: we re-meshed and lined them up, drew the regions, wall layers and cut-away sections, and rendered them in our own style. The original creators don't endorse Checkin or anything we say.