Our round-robin railroad group has been working on large 3-rail “O” gauge layout. It has a long (about 8 feet) grade that climbs to cross over a river bridge and mostly parallels an edge of the layout - leaving a problem for the scenery along the edge. We decided to build a Styrofoam ...

Create your landscape with materials that come free with items bought on-line. Here's how I used it combined with other techniques and products....