Human Lungs 3D print model 3D model is available on CGTrader for $12.99. Original author: your3dhouse.
STL (Stereolithography, filesize: 913 KB), OBJ (OBJ, filesize: 2.24 MB), GLTF (glTF, filesize: 1.3 MB), BLEND (Blender, filesize: 8.07 MB), FBX (Autodesk FBX, filesize: 1.56 MB)