Hi all, I am designing a 6-layer PCB in which I need to place 'L' shaped cutouts. I have tried making them as internal board outlines which means it gets included in the board outline part of my Gerber file. However, my pcb manufacturer wants any cutouts to be in the drill layer. Is there any way I can get the cutouts in the drill layer? Note: I used the method shown in the following video tutorial: 
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Mechanical cutout in multilayer pcb
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