Here, some of the polystyrene “voids” sit atop the long cylinders of another Study O Portable project, the Baum bracelets. They’re made just like the Fuzz containers but built around a hollow tube, and when they dry, they’re sliced into striated bangle bracelets. The name is a reference to Baumkuchen — or German “tree cake” — which is similarly made on a rotating spindle, with batter ladled on in layers as the cake cooks by way of an adjacent heat source.