It turns out that you can cram lumber stacked like in Tetris game. Well great news... I think I will arrange my basement this way :) For now, this is admittedly only an idea of artist Michael Johansson, but it's quite possible that in some time we will have to accommodate in much smaller living spaces then we do today. So you may want to practice downsizing right now. I bet the Ikea experts will solve the 5-meter future studio owner dilemmas as first.