Human Skull (front halve)
This is the front part of the Skull of an around thirty year old man.
FOSS - Slicer
http://www.slicer.org/
was used to convert the CT data into an rudimentary *.stl of 523MB size.
This tutorial video helped a lot:
https://www.youtube.com/watch?v=og3t1i9gSG0
Then Meshlab:
- check on holes
- removal of unconnected parts
- smoothing and downsampling to 130MB
It might be printable as it is with an SLS-Nylon printer but the natural stucture is rather fine (thinn walls) in relation to the models size. Thus for an FDM Printer I guess further modification will be necessary. Either unrealistic simplification for a smaller print, or scale-up and splitup into multiple parts.