That&#x27;s a deadly mass of material. In the video, when they&#x27;re taking the mold off, the trajectory from the top of any falling chunks is super sketchy, too.<p>Would be interesting to see destructive tests. They obviously have digital designs, but could those be accurately used for simulation?<p>I&#x27;m sure they know what they&#x27;re doing, they&#x27;ve wearing matching overalls. Those are just some concerns I&#x27;d have about constructing and exhibiting such a thing.