This is a simple cartoon portal
STL (Stereolithography, filesize: 17.1 MB), OBJ (OBJ, filesize: 26 MB), FBX (Autodesk FBX, filesize: 12 MB), DAE (Collada, filesize: 23.6 MB), GLTF (glTF, filesize: 3.65 MB), ABC (Alembic, filesize: 7.06 MB), BLEND (Blender, filesize: 12.7 MB)