When you’re a designer, having problems can be a good thing. Well, I suppose I ought to be clear that I am talking about certain kinds of problems (for example, not even one of Jay-Z’s 99 problems would qualify). FORM US WITH LOVE, a design collective based in Sweden, turned a problem they were having with an echoing studio space into a partnership with a woodwool cement manufacturer. Träullit is a 20-man factory located in Österbymo, “little more than a fleck on the map between Stockholm and Malmö” and it’s the only manufacturer of woodwool cement …