In the atelier where I grew up, nothing mattered more than fit. A beautiful fabric cut poorly is a failure; a simple fabric cut perfectly is a triumph. The same is true of a room. Scale and proportion are its tailoring, and when they are right, almost anything you place in the room looks as though it was always meant to be there. It is the single most common thing that separates a room that feels expensive from one that feels “off,” and it is something clients can rarely name