Glue and nail the supports to the legs: Starting at the bottom of one leg, squeeze an S-shaped bead of glue up to the first layout line. Align the lowest support piece with the board's bottom and back edges. Nail it in four corners with 3d nails.
Using a scrap piece of plywood as a shelf-size spacer, position the next support. Glue and nail it in place. Continue attaching supports in this manner, left, until the top supports are in place, finishing ¾ inch from the top edge. Repeat on the other leg.
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to guide circular saw as you cut support pieces
for transferring irregularities of the wall onto the trim so you can cut it to fit snugly
to coax tight-fitting shelves into slots
to find where to attach bookcase to wall
to cut scribed trim pieces
Calculate how many 8-foot-long boards you can get from one sheet and use that to figure out how many sheets you will need to get enough board feet. (A plywood sheet is 4 feet wide, but keep in mind that a saw blade takes off 1/8 inch per rip.) You’ll need at least 3 sheets for a 4-by-8-foot bookcase.
2. 5/4x4 TRIM
for masking plywood edges around the perimeter of the bookcase front. Measure the length of the two legs, plus the width of the case, then add 10 percent for waste.
3. 1x TRIM
to make nosing for the front of the shelves. For more support, use thicker stock. Take the length of one shelf and multiply it by the number of shelves (including the bottom shelf). Add 10 percent for waste.
4. YELLOW WOOD GLUE
5. 1-INCH DISPOSABLE BRISTLE BRUSH
for applying glue neatly to plywood edges
6. 1 1/4-INCH (3D) FINISH NAILS
for nailing the supports in place
7. 2-INCH (6D) FINISH NAILS
for nailing trim in place
8. 1 5/8 and 2 1/2-INCH WOOD SCREWS
or leveling the bookcase
10. WOOD PUTTY OR WAX PENCIL
in a color to match the wood, to fill nail holes
11. STAIN OR PAINT
12. BUTCHER'S WAX OR POLYURETHANE