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This top bunk is designed to work two ways: freestanding on its own four 2x2 legs, or screwed down from underneath onto a separate bookshelf or desk unit that becomes the "bottom" of the bunk system. Either way, the two arched headers are the identity of the piece — cut the first with a jigsaw, clamp it to the second and sand both together until the curves match exactly, the same trick used on any paired curved part.
This is a real bed a child sleeps on top of, several feet off the ground, so every structural connection here matters more than on a typical shelf project: solid cleats every 6–10", full-length guardrails with gaps filled rather than left open, and — if you're bolting this onto a separate base rather than building the included legs — a base that's genuinely rated to carry a loaded mattress and sleeper, not just holding up books.
| Item | Qty |
|---|---|
| 2x6 board, 8 ft (or stud length) | 1 each |
| 1x6 board, 10 ft | 2 each |
| 2x2 board, 8 ft | 3 each |
| 3/4" plywood, particle board, or MDF, half sheet | 1 each |
| 1x3 board, 8 ftSlats and guardrails — adjust quantity to your actual needs. | 11 each |
| Finish nails, 1-1/4" | 100 each |
| Wood screws, 2" and 3" | 60 each |
| Wood glue | 6 oz |
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 |
|---|---|---|
| Headers2x6Cut an arched profile with a jigsaw; sand the pair together until they match. | 2 | 1 1/2" × 5 1/2" × 39" |
| Panels3/4" plywood/particle board/MDF | 2 | 3/4" × 17 1/2" × 39" |
| Panel bases1x6 | 2 | 3/4" × 5 1/2" × 39" |
| Legs2x2 | 4 | 1 1/2" × 1 1/2" × 21" |
| Siderails1x6 | 2 | 3/4" × 5 1/2" × 75" |
| Cleats2x2 | 2 | 1 1/2" × 1 1/2" × 75" |
| Slats1x3 | 14 | 3/4" × 2 1/2" × 39" |
| Long guardrails1x3 | 2 | 3/4" × 2 1/2" × 75" |
| Short guardrails1x3You may want these shorter, depending on your access needs. | 2 | 3/4" × 2 1/2" × 62" |
| Guardrail end fillers1x3 | 5 | 3/4" × 2 1/2" × 17 1/2" |
Buy 20 boards at 8 ft.
1 board
3 boards
1 board
3 boards
12 boards
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 →
Mark and carefully cut both headers with a jigsaw — cutting 1-1/2" stock with a jigsaw takes patience, so go slow and give yourself room to correct small errors. Clamp both headers together once cut and sand the top edges until they match perfectly, working from coarse to medium grit.
If using a pocket-hole jig, drill all pocket holes before assembly. Without one, use the 2x2 legs to hold the header in place temporarily while you glue and clamp the header to the panel. Attach headers to both panels this way.
Attach the base trim to the outside of each panel using 1-1/4" finish nails and glue.
If not using pocket holes, screw through the legs into the header with 3" screws (predrilled and countersunk) and apply ample glue along the header's bottom edge. Attach the legs to the panels using countersunk screws from outside the legs, or the pocket holes drilled earlier.
Attach the guardrail boards to the guardrail legs with 1-1/4" finish nails and glue (or screws), adjusting carefully for square as you go — square is the one thing that's genuinely tricky about an otherwise simple assembly. Fill any remaining gaps with scrap 1x3.
Attach the cleats flush to the bottom with 2" screws and glue, placing screws every 6–10". If not using a bunkie board, lay the slats across the cleats and screw down.
If pairing this with a separate bookshelf or desk base, screw the bunk down to the base from underneath. Confirm the base is genuinely rated to carry the loaded weight of a mattress and sleeper before use — this is a real structural connection, not decorative.
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