Anatomically accurate thoracic vertebrae from the computed tomography scan of an 18yo male, MEDLYMPH006, of the CT Lymph Nodes Collection of the TCIA (CTs made available under Creative Commons Attribution 3.0 Unported License.)
Each vertebra was segmented separately to be solid and 3D printable. The 12 vertebrae are provided as separate STL models in a zip.
3D viewer: https://skfb.ly/oGxDO.
Inspect separately here: https://skfb.ly/oGVzU