Check out gas mask helmet scifi high poly sculpt 3d printable 3D model on CGTrader for $9. High-quality Polygon mesh mesh by hogok: 590000 polys, 1200000 vertices.
ZTL (Zbrush, filesize: 5.02 MB), OBJ (OBJ, filesize: 13.1 MB), STL (Stereolithography, filesize: 24.3 MB)