| Sculptural formA shape with no flat reference | Cut from a model, formed, welded, dressed. | Splitting a smooth surface into parts without a seam showing in the wrong place. | Seam placed by us, then approved |
| Mirror-polished objectAny form finished to a mirror | Polished progressively to a mirror, welded first. | Mirror shows every departure from the form. Nothing hides. | No visible weld, no orange peel |
| Feature screenLarge decorative panel or array | Laser-cut sheet or tube, framed, sometimes structural. | It usually has to be structural enough to stand up and thin enough to look absent. | Aperture ±1 mm |
| Suspended pieceAnything hung from the slab | Fabricated form with an engineered hanging point. | Load path must be designed, not improvised on site. | Hanging detail drawn and approved |