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Both angled side panels are cut as a matched pair, and because you're jigsaw-cutting a peaked shape freehand, drilling a starter hole at each corner (sized just slightly bigger than your jigsaw blade) before you cut makes for a cleaner turn than trying to pivot the saw blade mid-cut. Window cutouts are yours to customize, but the plan is specific that the 3/4" structural edges and the second-floor horizontal piece have to stay — those aren't decorative, they're what the loft floor and roof hinge attach to.
The 1x3 (not 1x2) trim on the sides is a deliberate deviation from an earlier version of this plan — the extra width is what lets the hinged roof side close without binding. If you're working from a different source or an old printed copy of this design that specifies 1x2, use 1x3 instead. One roof side is cut free to swing open on hinges; the other stays fixed, which is what gives a child full-reach access into both stories without the whole roof coming off.
| Item | Qty |
|---|---|
| Plywood, 1/4", 24" x 48" | 1 each |
| Plywood, 3/4", 18-1/2" x 24" | 1 each |
| Pine, 1x3, 18-1/2 inUse 1x3, not 1x2 — the extra width lets the hinged roof side close without binding. | 1 each |
| Small hingesHangs one roof side to swing open. | 1 set |
| Brad nails, 3/4" and 1-1/4" | 1 box |
| Wood glue | 2 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 |
|---|---|---|
| A-frame sidesPlywoodCut into the triangular A-frame profile; keep the 3/4" edges and second-floor horizontal piece intact. | 2 | 3/4" × 15 1/2" × 17" |
| Loft floor / roof trimPine, 1x3 | 1 | 3/4" × 1 1/2" × 18 1/2" |
| BottomPlywood, 3/4" | 1 | 3/4" × 8 1/4" × 18 1/2" |
| Side panelsPlywood, 1/4" | 2 | 1/4" × 18 5/8" × 22" |
| Roof panel, hingedPlywood, 1/4" | 1 | 1/4" × 22" × 16" |
Buy 5 boards at 8 ft.
1 board
1 board
1 board
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 →
With a jigsaw, cut out the two A-frame sides as a matched pair. You can change the window cutouts to your own design, but keep the 3/4" structural edges and the second-floor horizontal piece intact — those are what the loft floor and roof hinge attach to later. Drill starter holes sized just bigger than your jigsaw blade before you begin each interior cut, so the blade has a clean entry point instead of having to plunge-cut.
Attach the 1x3 trim piece and loft floor to the two A-frame sides — use 1x3 here, not the 1x2 shown in some versions of this plan, since the extra width lets the roof close properly. Pocket holes, screws, or 1-1/4" (or longer) nails with wood glue all work.
Cut the roof free on one side so it can fold down and open for play. Attach the 1/4" plywood side panels to the sides of the 3/4" plywood frame with 3/4" brad nails and wood glue.
Nail the bottom panel to the edges of the 3/4" plywood frame. Attach the hinged roof side with small hinges so it swings open for full access into both stories.
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