If you don’t like wood working, and don’t want to mess with foam, you might try 3D-printing the terrain for more model train layout. You can design your own modules or use some that are already available for downloading and printing at home. You can change the scale of the prints in one dimension if you want to lengthen them and thus reduce the grade on the ramps, or to make the pieces work in a plan you have created.
Here are some terrain parts you can print at home:
►Ramp-02 Extension: https://www.cgtrader.com/3d-print-models/hobby-diy/other/ramp-02-extension-4-ft-x-2-ft-n-scale-layout
►Extension Tunnel: https://www.cgtrader.com/3d-print-models/miniatures/vehicles/extension-tunnel-files-for-4-ft-x-2-ft-n-scale-layout-ramp-01
►Shunting Shack: https://www.cgtrader.com/3d-print-models/hobby-diy/other/n-scale-shunting-shack-for-uncoupling-n-scale-trains
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Great video Steve! Probably one of my favorites!
A few things that make a 3D printed layout easier may be adding trees, electrical or anything else that has to go through the "ground" since it's just a 1/4" shell and not inches of foam, plaster or whatever one uses for their layout.
Another is one can make it 'their own' with adding some simple surface textures with plaster (or whatever) to the printed shells, just leave it smooth and add a sand/gravel/grass, etc. topping.
In two days printing, a person can be up and running a preliminary layout of what their will be!
Looking forward to more videos!