Fold-Down Desk

Modular storage unit (Pictured: IKEA Billy bookcases, from $30 each, ikea.com)

Measuring tape

Birch plywood, 3/4 inch wide

Wool felt

Circular saw

Eggshell paint

Multipurpose spray adhesive

desk hinges with screws (Pictured: Vintage Hardware and Lighting H-13 extruded brass hinges, in Polished Brass, $21 for 2, vintagehardware.com)

lid-stay hinges with screws (Pictured: M-11R and M-11L wrought-brass lid stays, 10", $17.50 each, vintagehardware.com)