Define the line
Here’s a simple trick for all trim carpenters. Before coping a piece of trim or crown molding, rub a pencil along its edge to clearly define the line along which the cut should be made. This is especially helpful when coping lighter species of primed wood, as it can be hard to tell the face from the edge.
To see this tip in action check out the video below, and check out this story for more great trim tips.