```
class Axes:
    def __init__(self):
        transform = vtk.vtkTransform()
        transform.Translate(0.0, 0.0, 0.0)  # Z up

        self.actor = vtk.vtkAxesActor()
        self.actor.SetUserTransform(transform)

        self.actor.AxisLabelsOff()
        self.actor.SetShaftType(vtk.vtkAxesActor.CYLINDER_SHAFT)

    def get_actor(self):
        return self.actor