Shoot, they make pvc pipe bathroom pirches for birds nowadays LOL.
I actually made a basking area for my water turtles at one point using pvc pipe and joints...worked wonders and the turtles loved it. It was solid.
I figured since the roaches don't need lids (just bug stop for the climbing species), that an open air rack wouldn't be too difficult. Just build a big rectangular box and add cross sections to support the rubbermaid tubs.....
Course everything in my house has to have a lid...16 cats later and nothing is safe LMAO...even the roaches. And forget leaving a bag of feeder fish on the table unattended for more than 5 minutes...that bag is open, floor is wet, and the fish are GONE!!!
I think I'll work on some plans tonight for this roach rack. I really think 1.5 inch pvc should work...