Create a non-copper polygon shape

  1. At the top of the canvas, select the layer on which to create the polygon.
  2. On the PCB Design toolbar, click Polygon > Shape Polygon Shape icon.
  3. In the Polygon Shape dialog, review or set options for corner style and other settings.
  4. Click to place the first vertex of the polygon, move the cursor and click for other vertices; finally double-click to close the polygon.