About This File
Need stl file of the nrrd data which was taken from dicomdir,
ct, scan, without, contrast, .stl, 3d, model, axial, frontal, temporal, parietal, occipital, ethmoid, cells, nasal, septum, lower, turbinate, petrous, ridge, cerebellum, paranasal, sinuses, maxillary, sinus, sphenoid, orbit, mastoid, clinoid, apophysis, optic, nerve