From the template that you printed, cut the drawing of the side panel out.

Poke holes in the two location where the thumb screws go.

Lay the template on the side panel and insert the thumb screws to keep the template aligned.

Marking Method #1 - If your machine is white you can use a sharpie marker to mark the points. Press the marker in the center of the center marks for the 4 screw locations. This will allow the marker the bleed through and mark the locations.

Marking Method #2 - If your machine is black you may find it easier to use a pin, or other sharp point to mark the locations of the centers of the holes.