The only way that I am aware of to make a cutout in a pcb other than a round hole, is to make a custom pcb in the shape you want it. Here is a link that will help guide you through the process. Custom pc board
The only way that I am aware of to make a cutout in a pcb other than a round hole, is to make a custom pcb in the shape you want it. Here is a link that will help guide you through the process. Custom pc board