$9 helmet high poly sculpt 3d printable 3D model by hogok. Available on CGTrader with 1500000 polys and 3000000 vertices. Geometry: Polygon mesh. Check it out on CGHub.
ZTL (Zbrush, filesize: 10.3 MB), OBJ (OBJ, filesize: 29.7 MB), STL (Stereolithography, filesize: 54.7 MB)