This is ultimately what I'm working towards... maybe not exactly, but using this plan as a guide. My layout measures 18 x 10 ft, so I have a little more room to play with compared to this plan.
The layout is permanent, but i decided to build the baseboards in sections so if I need/want to move it, I can do so relatively easily. Each board is made up of 18mm MDF on a 2x1 baton frame.
12 boards make up the lower level, joined using split-pin hinges and a large bolt securing them toget