Check out helmet high poly sculpt 3d printable 3D model 5 3D model on CGTrader for $8. High-quality Polygon mesh mesh by hogok: 500000 polys, 1000000 vertices.
ZTL (Zbrush, filesize: 6.05 MB), OBJ (OBJ, filesize: 11.5 MB), STL (Stereolithography, filesize: 20.7 MB)