To create a custom shape with the line tool:
While on a board, click the pen button in the toolbar. If the pen tool is not currently active in the button, click the down arrow beside the button and select
Linefrom the dropdown. Alternatively you can use shortcutL.Click anywhere on the canvas to place the first point of the shape
Click to place the second point and create a line segment
Continue adding points to add more segments to the chain. Press
Escapeat any point to finish your sketch.
Closed sketches automatically become filled. You can add/remove/edit stroke and fill in the right sidebar when a shape is selected.

