Put the end grain of the filler piece on the skinny ends of the slot.
Use a good wood glue.
Keep the Dremel cutter away from the top edge of the existing rout and no one will see anything underneath.
Predrill holes for the pickup mounting screws.
You got this.
Use a good wood glue.
Keep the Dremel cutter away from the top edge of the existing rout and no one will see anything underneath.
Predrill holes for the pickup mounting screws.
You got this.