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This closet system is built from plywood ripped into consistent 15-3/4"-wide strips with the front edge banded, which is what lets prefinished material look like a genuine built-in rather than a stack of shelves. Drilling the shelf-pin holes is the one step where real care matters more than speed — even a small offset between holes on the two sides will leave every adjustable shelf sitting slightly tilted, and there's no fixing that after the holes are drilled.
Because this system is meant to join multiple towers side by side into a full closet wall, the final installation happens in place rather than on the bench: walls are rarely perfectly square, and the connecting cleats and support boards need to be fit to your actual wall, not to a measurement taken beforehand.
| Item | Qty |
|---|---|
| 3/4" plywood, ripped into 15-3/4"-wide strips, edge banded on the front, matching speciesRoughly two sheets per organizer if the layout is planned well. | 2 sheet |
| 1/4" plywood, matching species, for the back | 1 sheet |
| 1x4 board, 4 ft, matching wood speciesThe toekick. | 1 each |
| 1x4 board, 8 ft, pineThe underneath support — a cheaper species is fine since it's hidden. | 2 each |
| 1x2 board, 8 ft, matching wood speciesInstalled under the shelf fronts when joining towers together. | 1 each |
| Finish nails, 3/4" | 60 each |
| Pocket-hole screws, 1-1/4" | 40 each |
| Shelf pins | 24 each |
Overall cost: $$$. Lumber prices vary by region, species, and season, so we give a band rather than a figure we would only be pretending to know.
| Part | Qty | T × W × L |
|---|---|---|
| Sides3/4" plywood (ripped strip)Notch the bottom for the toekick. | 2 | 3/4" × 15 3/4" × 84" |
| Top and bottom3/4" plywood (ripped strip) | 2 | 3/4" × 15 3/4" × 46 1/2" |
| Toekick1x4, matching wood species | 1 | 3/4" × 3 1/2" × 48" |
| Underneath support1x4, pine | 1 | 3/4" × 3 1/2" × 46 1/2" |
| Dividers3/4" plywood (ripped strip) | 2 | 3/4" × 15 3/4" × 79" |
| Back1/4" plywood, matching species | 1 | 1/4" × 48" × 84" |
| Large fixed shelves3/4" plywood (ripped strip) | 2 | 3/4" × 15 3/4" × 23" |
| Small fixed shelves3/4" plywood (ripped strip) | 4 | 3/4" × 15 3/4" × 11" |
| Adjustable shelves3/4" plywood (ripped strip) | 12 | 3/4" × 15 3/4" × 10 3/4" |
Buy 9 boards at 8 ft.
7 boards
1 board
1 board
Assumes 8 ft stock, a 1/8" saw kerf, and buying each part at its own width. Change the board size or kerf on the full board plan →
Notch the bottom of both side panels to allow for the toekick. Mark the location of the shelf-pin holes on both sides and drill them carefully — if you're off even slightly, your adjustable shelves will wobble, and this is not something you can correct after the holes are drilled.
Attach the top and bottom panels to the sides with 3/4" pocket holes and 1-1/4" pocket-hole screws.
Attach the underneath support and toekick to the base. Drill pocket holes on the insides, facing upward, to attach to the bottom shelf — with prefinished material every screw hole needs to be hidden this way. If you're painting, you can simply nail or screw from the top instead.
Attach the dividers to the top and bottom panels.
Nail or staple the back to all the dividers, fixed shelves, and outside edges.
Cut the fixed and adjustable shelves to size, and drill shelf-pin holes in the dividers if you haven't already. Install the fixed shelves and set the adjustable ones on their pins.
To join multiple towers side by side, attach hardwood cleats to the wall underneath each shelf — use a species matching your prefinished plywood if it's staying natural, or pine, whitewood, MDF, or poplar if you're painting. Add 1x2 support pieces under the shelf fronts as well. Set the shelves on top of the cleats and screw down.
Do this fitting in place rather than on the bench, since walls are rarely perfectly square and the cleats need to match your actual wall.
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