4. Mark the center points where you'll need to bore holes for the fixtures (figure D).5. Use a marker pin to draw an outline for the sink cutout on the buffet top (figure E). Follow the indentations made by the pattern wheel.
6. Unscrew top and remove from the buffet so you can install a plywood reinforcement on the underside of the top. Cut a piece of plywood to fit on the underside of the top and surround the area where the sink will fit and also over the area where the fixtures will mount.
7. Run a bead of wood glue along the perimeter of the plywood and screw to the underside of the buffet top with wood screws (figure F).
8. Reattach top to the buffet.