I need to draw a round hole on a polygon pour.
I've followed this documentation (see video in "Subtracting Selected Polygon Pours" paragraph). It explains that you must first selected the reference polygon and then all the polygons you want to "remove" from the reference polygon.
My concern is that I can't select the other polygons while they are fully inside the reference polygon. If I click using the shift key. It deselect the reference polygon...
How to do that?
Edit: I need to remove the highlighted circle from the disk but not the other copper region: