Drafting triangles: “Charlie has a passion for drafting triangles in general,” says Williams. “In our old studio, you’d go to pull a book off the bookshelf and six of these would fall out.” This particular one, though — which Brill figures was made from pearwood — seemed to fascinate the whole group as they searched for clues as to its joinery and provenance. “I don’t know how old it is, but the fact that it’s just glued miters together and someone’s cared for it for so long? I could easily break this thing just by twisting it,” says Brill. “It’s a live material that moves, and yet someone decided to make a precision instrument out of it.”