Almost all of the built up land forms or terrain on the Hot Springs Junction module were done with insulation board. My techniques for doing this were covered in several previous posts. This works great and is very light weight but sometimes you need hallow spaces inside the terrain for turnout motors. There is a small area at the rear of the module where the Tortise turnout motors are mounted that has been left opened. I am now ready to cover this area with built up terrain and am going to use the
I used 3 layers of plaster cloth to get the strength I wanted then also added some joint compound to blend things in with the rest of the hills. I'm glad I finally got to try this method of building land forms.