David Sculpture Low Poly Low-poly 3D model is available on CGTrader for $9. Original author: zames1992. Specs: 1112 polys, 552 verts.
STL (Stereolithography, filesize: 54.4 KB), OBJ (OBJ, filesize: 132 KB), 3DS (3D Studio, filesize: 19.8 KB), C4D (Cinema 4D, filesize: 255 KB), FBX (Autodesk FBX, filesize: 59.7 KB)