Bird-cage bird cage 3D model is available on CGTrader for $10. Original author: inertan. Specs: 31726 polys, 32791 verts.
BLEND (Blender, filesize: 37.2 MB), OBJ (OBJ, filesize: 1.02 MB), FBX (Autodesk FBX, filesize: 1.63 MB), MAX (Autodesk 3ds Max, filesize: 37 MB), TEXTURES (Textures, filesize: 68.9 MB), DAE (Collada, filesize: 1.53 MB)