Check out WW1-Cannon Ball Low-poly 3D model on CGTrader for $5. High-quality mesh by davutcan15081: 8482 polys, 4256 vertices. PBR, Textured, UV Mapped.
STL (Stereolithography, filesize: 418 KB), OBJ (OBJ, filesize: 580 KB), FBX (Autodesk FBX, filesize: 258 KB), BLEND (Blender, filesize: 1.42 MB), GLTF (glTF, filesize: 2.36 MB)