The 2 parts were separated at the cerebellar peduncle. The model has very high resolution with details including the 4th ventricle and the aqueduct and spinal canal.
I printed in 2 hours with the setting:
Kossel Mini
PLA
Layer / Wall Thickness 0.3/ 0.8
0% Fill
Speed 60
Support : Touching Build Plate
cerebellum_and_brainstem.stl | 4.8MB |