Lightburn-1-3-01-pelna-wersja — Fast & Hot

: If some letters do not fill, they might have "open shapes." You can try using the Auto-Join tool or check for duplicate shapes .

: Found in the Cut Settings (double-click the layer). A lower interval (e.g., 0.1 mm) makes the fill look smoother and more solid. lightburn-1-3-01-pelna-wersja

: Click the Preview icon (TV screen) or press Alt + P . If the text appears solid black in the preview, it will be engraved as a solid shape. : If some letters do not fill, they might have "open shapes