You have pivot point at the center of the shape, now with shape still selected go to
Surface-Revolve and click on the little square button next to the Revolve. Now you
have Revolve window pop up. Go to Edit- Reset Settings, and now click on revovle
You have now the basic base surface like the one below
Now go to Create- Nubbs Primitive and click on Sphere, with this you have a
sphere on the panel, now place it on the top of the base of the lantern and scale it
down on the Y axis.
Now with CV CCurve tool create the shape something like in the image below in the side view
Get into the object mode and revolve it as we did for the base of the lantern after revolving it we get the shape of the surface
Again move in the side view and with CV Curve tool create the side handles of the
lantern
In this step we are going to use the extrude tool for that we have already created a path on which the will extrude. Now go to Create-Nurbs Primitive and click on circle. We have to manipulate this circle to get our desired shape, place the circe on the botton of the path shape at it is in image below