A lampshade is often treated as a consumable part. When it gets damaged, turns yellow, the wires break, or simply doesn't fit the space, it needs to be replaced. But looking for a new lampshade can be frustrating — the diameter, height, opening, thread, shape, material, color, or light diffusion don't match. If you've ever tried to find exactly what you need, you've probably come across a wall — stores offer ready-made pieces, rarely with the option to choose the size or design. And old lamps often have brackets that are no longer standard. What then?