code: def bounding_cylinder(self):
          
          from . import primitives, bounds
          kwargs = bounds.minimum_cylinder(self)
          mincyl = primitives.Cylinder(mutable=False, **kwargs)
          return mincyl
docs: A minimum volume bounding cylinder for the current mesh.
  
          Returns
          --------
          mincyl : trimesh.primitives.Cylinder
            Cylinder primitive containing current mesh