Availability? Usage? This is to complete a loop of an around 3 walls layout that will be in my living room. So, the overall specs / concept: N Scale Kato Track Visual Aesthetics is more important Complete a loop It may come to pass that I will build a 15' span across my living room. The intent is to make it attractive. I envision: 2 pieces of Plexi, 7.5'Long', 1' wide and 1/2" thick, Clear Plexi 4 pieces of 'i' Beam, 7.5' Long, 2"x2" , Clear Plexi 4 pieces of 2" thick Clear Plexi Rods I realize this is a long shot. Still, I'm open to all ideas including complete negative responses.