anatomical brain 3d model

Highly detailed 3D anatomical model of the human brain, showing only the right hemisphere, cleanly cut along the median sagittal plane. The interior must be anatomically accurate and clearly visible, including the corpus callosum, thalamus, hypothalamus, brainstem, cerebellum, ventricles, pituitary region, and major internal structures. Smooth and continuous surfaces, realistic proportions, no stylization. Medical-grade precision, clean topology, solid geometry suitable for STL export. Neutral material, soft plastic-like appearance, no textures or colors required. The model must be closed, manifold, and watertight for 3D printing.