CT scanners usually speak DICOM. You'll have to make a 3D model from those dicom stacks with, e.g., AMIRA[0], then fiddle the facets with Maya or similar, and

CT scanners usually speak DICOM. You'll have to make a 3D model from those dicom stacks with, e.g., AMIRA[0], then fiddle the facets with Maya or similar, and then you should be able to export to STL from there. [0]https://www.thermofisher.com/us/en/home/industrial/electron-microscopy/electron-microscopy-instruments-workflow-solutions/3d-visualization-analysis-software/amira-life-sciences-biomedical.html https://www.thermofisher.com/us/en/home/industrial/electron-...