As we prepared to leave, Deddens began fishing through a box of letters she and Mukai made by hand for a Christmas market held at Somerset House two years ago (the letters are now for sale at the Phillips shop). “It started off as just, okay, we’ll make letters out of all of our offcuts and they’ll all be different,” she says. “But then we thought it was much more challenging to do 26 letters in the same style, in the right proportions.” After I searched in vein for a spare M to take home with me, Deddens made me one from scratch using a handsaw and a hot-air welder. I got to walk out of the studio with a portable Study O Portable. Fancy that.