Measure 2 inches out from the back edge of the shelf at both ends of the shelf and make a pencil mark at each location.
Place a straightedge or yardstick on the shelf, connecting the two marks. Trace a line along the edge with the pencil.
Set a router to make a U-shaped groove, 1/4-inch deep. Place the router at one end of the shelf and cut along the line to the other end.
Sand any rough edges along the groove with fine sandpaper.
Things You Will Need
- Fine sandpaper
- Depending on the angle you wish the plates to be, the distance in the first step can be increased or decreased.