It wouldn’t be done in your design program - you’d do standard skinny lines there - but when you enter the design into the GFUI you’d go into the manual settings and after copying over the PG settings for speed/power you’d adjust the height by 1/2". Let me see if I can find examples:
If you’re a video person:
or if you’re more into text:
Do a search on “defocused score” for more examples