Mach3 Screenset Editor

Visual feedback is critical.

The ScreenSet Editor is a built-in visual design tool within Mach3 (version R3.043.022 and later). It allows users to modify the Graphical User Interface (GUI), known as a "ScreenSet." mach3 screenset editor

Critical Warning: Editing screens incorrectly can make Mach3 crash or behave unpredictably. Always back up your original .set file before editing. Visual feedback is critical

Let’s add a "Park Z" button that moves Z to a safe height. Critical Warning: Editing screens incorrectly can make Mach3

  • Right-click the button > Edit Button Script
  • Paste this script: 
    Code "G0 Z2.0"   ' move Z to 2 inches
While IsMoving()
Wend
Code "G0 X0 Y0"  ' optional: home X/Y
  • Save the script (File > Save) and close the script editor.
  • Save the Screen (Editor toolbar > Save Screen).
  • Exit Editor (Ctrl + Alt + E) and test your button.

    • Let’s add a “Park Z” button that raises Z to machine top.

    One of the most powerful features of Mach3 CNC control software is its customizability. While the standard "Mill" and "Turn" screens are functional, they aren't always optimized for specific workflows or screen sizes. This is where the Mach3 ScreenSet Editor comes in.

    This guide explores what the ScreenSet Editor is, how to access it, and how you can use it to tailor your CNC machine interface to your exact needs.