$2 Medieval Sheild Low-poly 3D model by thisaradilshan18. Available on CGTrader with 14000 polys and 13500 vertices. Geometry: Polygon mesh. Check it out on CGHub.
OBJ (OBJ, filesize: 1.87 MB), BLEND (Blender, filesize: 3.31 MB), FBX (Autodesk FBX, filesize: 784 KB), GLTF (glTF, filesize: 1.8 MB)