Man found missing 90% of his brain defies scientific understanding - most of his skull is filled with water:
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(07)61127-1/fulltext
I recently got an MRI and wondered about 3D printing my brain as well. Is there any kind of standard conversion software to get an .stl file out of my MRI data or how did you go about it?