How To Draw A Curved Line In Indesign. At the top there is an option to change the size and type of line. Position the pen tool over the selected endpoint.
When you have a blank document click the line tool in the left side panel which looks like a straight line. You can add different graphical elements to your pdf using drawing tools, including clouds, curved lines, arrows, and more. If you need to draw arrows in indesign, especially those on a curve, this video describes an easy way for you to get your arrows exactly where you want them.