Maxsurf modeler - how to fit bounding box to new extents?

This is a very basic query. In Maxsurf Modeler, I can't reduce the size of the bounding box that surrounds the model.

So what I have is this: I start a new Maxsurf model, and populate the blank file by adding a default surface. A bounding box appears automatically around the default surface. (By bounding box, I mean a 3D box that Maxsurf draws around the maximum x,y,z dimensions of the model surface). I then reduce the size of the model by typing in new xyz coords for all the points.

But the bounding box only automatically reduces longitudinally -- the beam offset and the draft bounds do not change. See the screenshot. How do I get the bounding box to fit the new extents?


Thanks in advance,
Ian.

 

Answering my own question here ... I had missed the command Surfaces -> Size Surfaces. This seems to be the only way to get the bounding box right.