Dimension drawing
| Product family | AT1818 |
| Model | AT1818 |
| Cross-section | 18.2 × 18.2 mm |
| Mounting | Internal corner |
| Material | Aluminium |
| Corner angle | 90° |
| Diffuser orientation | 45° |
| Light opening | 12.2 mm |
| Compatible strip width | 8–12 mm |
| Finish | Natural silver |