Check out Confederacy Flags Collection 3D Model Pack 3D model on CGTrader for $25. High-quality mesh by KangaroOz3D.
BLEND (Blender, filesize: 125 MB), OBJ (OBJ, filesize: 225 KB), FBX (Autodesk FBX, filesize: 4.21 MB), GLTF (glTF, filesize: 44.8 MB), DAE (Collada, filesize: 8.22 MB), TEXTURES (Textures, filesize: 247 MB)