Type it, pick single-line, cursive or bubble letters, and size it for anything from a letter page to a 5×10 sheet. Output for a pen or marker, a spindle with a V-bit, or a laser.
X0 Y0 is the lower-left corner of the area.
Z0 is the top of the material. A V-bit or engraving bit works best; the line width above is the width of the groove.
Needs GRBL laser mode ($32=1). Travel moves send S0 so the beam is off between letters.