rotor_py_control/rotorpy/worlds/pillar.json

{
    "bounds": {"extents": [-10, 10, -10, 10, -0.5, 3]},
    "blocks": [
        {"extents": [-1, -0.75, -0.125, 0.125, -0.5, 3.0], "color": [0, 1, 0]}
    ]
}