I have settled in my new home in Colorado and have 18 by 13 Mianne Benchwork up, with an open accessible center, as I have been diagnosed with advanced arthritic disease which will make bending impossible in the near future. I have then place 1/2 inch plywood and 1/2 blue foam over the benchwork. As I have many 072 required engines I have laid down a rough large oval, with sidings, on the 1/2 inch foam. To add dimension I would like to rise and offset another oval over it for a second engine to run and also to build bridges, scenery and portals. It seems excessive to purchase 18.00 dollar 2 inch foam sheets to rise the second level to 7 inches or so to clear the lower loop train. I have used Woodland Scenic risers in the past but they really are not wide enough to accommodate O Scale track. What materials and procedure should I use to raise the second loop up 7 inches or so in order to allow lower trains to pass under? Tips appreciated. I also need to address a removable or swinging section for the access gap of 23 plus inches to enter the open center of the layout. Ideas and thoughts appreciated.
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