Mach3 Screenset Editor | 2025 |

If you’ve ever used Mach3 for CNC control, you know the default interface works — but it may not work for you . That’s where the comes in. This built-in tool lets you customize the look, layout, and behavior of the Mach3 user interface to match your workflow, machine, or even your personal taste.

The Mach3 Screenset Editor (Screen4.exe or the newer MachScreen) is a WYSIWYG (What You See Is What You Get) design tool included with your Mach3 installation. It allows you to modify .set and .lset files—the blueprint files that tell Mach3 where to draw buttons, DROs, LEDs, and labels on your monitor. mach3 screenset editor