3 ms·Why is it a triangle? that'd be a lot of wasted space if these were being stacked vertically.by Klinky 15y agoWhy is it a triangle? that'd be a lot of wasted space if these were being stacked vertically.Cushman 15y agoIt lets each room get at least some natural light. This is an art project, not civil engineering.mkramlich 15y agoAlso rain and snow runoff.