I am creating a pamphlet using Inkscape. I have designed it to fit on a 8.5 x 11" page, however when I print there is a 0.5cm white border around my image.
How do I format my image so the image extends to the end of the page when printed? Thank you, C

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It sounds like it might be a margin imposed by the printer or printer software. Look at the Print dialog. On mine (Windows), there's a Preferences button, where you can set several different page layout variables. I actually don't have a printer connected to this computer, so I can't look up a specific path to the right one. But you should be able to find something there.