Animated Maine Flag Low-poly 3D model is available on CGTrader for $19. Original author: dragosburian. Specs: 4548 polys, 6286 verts.
STL (Stereolithography, filesize: 2.2 MB), OBJ (OBJ, filesize: 3.65 MB), BLEND (Blender, filesize: 4.82 MB), FBX (Autodesk FBX, filesize: 2.35 MB), DAE (Collada, filesize: 2.2 MB)