If we have not a program under execution we have the ability to loada file from disk. Use fileopen button near “Filename” box, or from file menu.
LaserGRBL support G-Code with .nc and .gcode extension. If your file has a different extension but they are G-Code, you can rename your file to use this extensions.
LaserGRBL also support opening pictures and raster images in bmp, jpg, png and giffile format.
Multiple passes
Since v2.7.3 LaserGRBL include a numeric switch to perform multiple passes.
If set to values different from one LaserGRBL will repeat loaded program multiple times (theset number of times) decreasing the counter at each pass.