Adding the ground Contours.

 Rather belatedly here are some pictures of the way I form the ground contours. Because of restrictions on getting the layout out of the loft, I am unable to have drop section baseboards.
This means all scenery has to be above track base. To facilitate this I use a system of card formers which are then crossed with thin card which roughly forms the ground contour.
The whole lot is then covered with several layers of newspaper  which has been coated with wallpaper paste. When hardened this forms a solid shell and is ,of course, very light. As seen I use anything to weigh the card down while it sets.