Drill Machine
The attachment for 4-axis layout marking eliminates human error in manual layout. Even after galvanizing, blasting, and painting, part information can be retained.
CNC Drill Line can import DXF file and can use them for processing 3-D shapes provided the steel is detailed according specific rules. You might need to adjust some of these rules to match the details you are currently using. This process may not be as seamless as 3-D modeling software.