Quote Originally Posted by Caenwyr View Post
Unless you turn the ruler upside down, so the sloping edge is raised instead of pressed against the paper. That will give the tip of your pen enough room to depose the ink without it being sucked under the ruler by capillary action.
Good to know, I'll have to try that at some point. I will need to get a new ruler though, the ones I currently use are flat on both sides.