... , and should show on the screen as thin lines in PNG format. Your files are looking ok here at 100% size. (If you use the JPG format, all bets are off. Don't do it.) See also: topic 2848 regards, Martin. posted: 5 Mar 2016 21:51 from: Martin Wynne p.s. Stuart, This is a section of what I'm seeing on my screen, using all the Templot defaults, and displaying the PNG image at 100% in the Windows Photo Viewer: 2_051649_540000000.png Martin. posted: 6 Mar 2016 09:15 from: stuart1600 Thanks, Martin. I've been looking at a number of boxes that I've never really studied before, not having previously attempted to export an image, so it's been a useful learning opportunity. I'm puzzled as to why the shape colour was set to white; I can't imagine that's a default setting, but it was quickly changed to black. The main export box seems to default to PNG files for image output, which is fine, so no chance ...