Then he nibbled a hole in the cocoon, pushed his way out and...

Our last experiment involved building a egg crate sheet that was 2 meters long and 215 wide (tall). After trying to stand it up and noting that it could not support itself, we decided to try stressing the middle strip so as to create a double "peanut" curve. Then we decided that we would try to double the size to 4 meters long, such that we could create a full cylinder (yurt), hoping that it would then be able to support itself. Here are the preliminary results. Note that the floor and ceiling have come along nicely.