def triangulate_one_point(camera_system, points_2d_set):
    """
    Triangulate 3d point in world coordinates with multi-views 2d points

    Args:
        camera_system: pymvg camera system
        points_2d_set: list of structure (camera_name, point2d)
    Returns:
        points_3d: 3x1 point in world coordinates
    """
    points_3d = camera_system.find3d(points_2d_set)
    return points_3d