Rectangular Scutum Shield Low-poly 3D model is available on CGTrader for $3. Original author: martpalder. Specs: 1296 polys, 654 verts.
BLEND (Blender, filesize: 1020 KB), OBJ (OBJ, filesize: 113 KB), FBX (Autodesk FBX, filesize: 48.6 KB), GLTF (glTF, filesize: 141 KB), PNG (PNG, filesize: 52.9 KB)