... but I could be wrong!) reading that it is possible to vary the thickness of track centre lines but they are OK and I know that you can set thicknesses for all line using the output menu. Can I vary the thickness of the dummy centre lines only? Thanks Brian posted: 21 Oct 2020 20:15 from: Martin Wynne Hi Brian, If centre lines have been set as dummy (rather than track), they are treated the same as background shapes on the trackpad screen and in the output: 2_211510_040000000.png You can set the colour and line thickness for shapes on the trackpad screen, on the background shapes dialog (above). You can set the colour and line thickness for the printed background shapes in the output menu. Note that the settings will apply to all background shapes, not only the dummy track centre-lines. Sorry, there isn't an option to set them separately. cheers, Martin. posted: 23 Oct 2020 16:38 from: Brian Whitehead Thanks Martin The only background shape on the trackpad is ...