CAD - 2D & 3D From this page, you can download the latest 2D & 3D models for Abtech's range of electrical enclosures. 2D CAD Files 2D DWG Files for the BPG Range (ZIP, 1.25 MB) 2D DWG Files for the SX Range (ZIP, 1.46 MB) 2D DWG Files for the ZAG Range (ZIP, 959 KB) 2D DWG Files for the ZP Range (ZIP, 883 KB) 3D STEP Files BPG 3D SX 3D ZAG 3D ZP 3D