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A full-scale twin loft bed built as three standalone plywood sections — a turreted castle front, a slide, and a stairway — joined together with railings, wall-anchored for safety.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Slide sides | 2 | 3/4" × 48" × 56 1/2" | Plywood, 3/4" | ☐ |
| Slide back | 1 | 3/4" × 48" × 17 1/4" | Plywood, 3/4" | ☐ |
| Stairs sides | 2 | 3/4" × 48" × 40" | Plywood, 3/4" | ☐ |
| Stairs back | 1 | 3/4" × 48" × 26" | Plywood, 3/4" | ☐ |
| Front right filler section Extends the front to fit a twin mattress. | 1 | 3/4" × 48" × 2 1/4" | Plywood, 3/4" | ☐ |
| Front middle section Door opening cut roughly 22" wide x 38" high, centered. | 1 | 3/4" × 48" × 47" | Plywood, 3/4" | ☐ |
| Tower front, narrow | 1 | 3/4" × 60" × 11" | Plywood, 3/4" | ☐ |
| Tower front, wide Gets the window seat cutout, about 4-1/2" x 7-1/2" windows with 1" between, rounded tops. | 1 | 3/4" × 60" × 18" | Plywood, 3/4" | ☐ |
| Tower sides | 4 | 3/4" × 60" × 10" | Plywood, 3/4" | ☐ |
| Top stair tread | 1 | 3/4" × 24 1/2" × 15" | Plywood, 3/4" | ☐ |
| Lower stair treads | 2 | 3/4" × 24 1/2" × 11 1/4" | Plywood, 3/4" | ☐ |
| Top stair support | 1 | 3/4" × 24 1/2" × 29 1/4" | Plywood, 3/4" | ☐ |
| Middle stair support | 1 | 3/4" × 24 1/2" × 19 1/4" | Plywood, 3/4" | ☐ |
| Bottom stair support | 1 | 3/4" × 24 1/2" × 9 1/4" | Plywood, 3/4" | ☐ |
| Slide platform | 1 | 3/4" × 15 3/4" × 13" | Plywood, 3/4" | ☐ |
| Slide panel Melamine's slickness genuinely matters here — cut a little long and trim the angled top to fit. | 1 | 3/4" × 15 3/4" × 57" | Melamine-faced plywood, 3/4" | ☐ |
| Slide platform support | 1 | 3/4" × 15 3/4" × 41 1/4" | Plywood, 3/4" | ☐ |
| Slide bottom support | 1 | 3/4" × 15 3/4" × 7 5/8" | Plywood, 3/4" | ☐ |
| Tower seat and shelf | 2 | 3/4" × 16 1/2" × 10" | Plywood, 3/4" | ☐ |
| Tower shelves | 4 | 3/4" × 9 1/2" × 10" | Plywood, 3/4" | ☐ |
| Upper stair step supports | 4 | 3/4" × 1 1/2" × 14 1/4" | Pine 1x2 | ☐ |
| Lower stair step supports | 8 | 3/4" × 1 1/2" × 10 1/2" | Pine 1x2 | ☐ |
| Slide rail supports | 2 | 3/4" × 1 1/2" × 54" | Pine 1x2 | ☐ |
| Slide platform support sides | 2 | 3/4" × 1 1/2" × 11 1/2" | Pine 1x2 | ☐ |
| Slide platform support, lower | 2 | 3/4" × 1 1/2" × 12 1/4" | Pine 1x2 | ☐ |
| Slide platform support, rear | 1 | 3/4" × 1 1/2" × 15 3/4" | Pine 1x2 | ☐ |
| Railing, outside stairs | 2 | 3/4" × 3 1/2" × 15 7/8" | Pine 1x4 | ☐ |
| Railing, inside stairs Two runs of this length — one for the inside stairs, one for the inside slide. | 4 | 3/4" × 3 1/2" × 25" | Pine 1x4 | ☐ |
| Railing, front center | 2 | 3/4" × 3 1/2" × 47" | Pine 1x4 | ☐ |
| Railing, front right | 2 | 3/4" × 3 1/2" × 2 1/4" | Pine 1x4 | ☐ |
| Railing, back | 2 | 3/4" × 3 1/2" × 115 3/4" | Pine 1x4 | ☐ |
| Railing slats Spaced about 3" apart between the top and bottom railing runs. | 56 | 3/4" × 1 1/2" × 11 1/2" | Pine 1x2 or 1x3 | ☐ |
| Mattress support rails | 2 | 1 1/2" × 1 1/2" × 77 1/2" | Pine 2x2 | ☐ |
| Mattress support slats Spaced about 2-1/2" apart for adult-safe support. | 16 | 3/4" × 2 1/2" × 40" | Pine 1x3 | ☐ |
| Tower cap trim Plus one at 12-1/2" and one at 19-1/2" — sits about half proud of the tower tops. | 6 | 3/4" × 3 1/2" × 10 3/4" | Pine 1x4 | ☐ |
| Tower parapet trim Cut a castle-notch pattern along one edge, sized to each tower's width. | 6 | 1/8" × 6" × 11" | Plywood, 1/8" | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| Plywood, 3/4", 4x8 sheet | 6 each | ☐ |
| Pine, 1x2, 8 ft | 11 each | ☐ |
| Pine, 1x3, 8 ft | 8 each | ☐ |
| Pine, 1x4, 8 ft | 7 each | ☐ |
| Pine, 2x2, 8 ft | 2 each | ☐ |
| Plywood, 1/8", half sheet For the tower parapet trim — a full sheet may be needed depending on how much decorative trim is added. | 1 each | ☐ |
| Pocket hole screws, 1-1/4" | 2 box | ☐ |
| Finish nails, 1-1/4" and 2" | 2 box | ☐ |
| Wood screws, 2" | 1 box | ☐ |
| Wood glue | 6 oz | ☐ |
| Eye bolts and lag bolts, for wall anchoring | 1 set | ☐ |
| L-brackets | 4 each | ☐ |
| Paint or stain | 1 set | ☐ |
| Edge banding or trim moulding | 1 roll | ☐ |
Overall cost: $$$$. Lumber varies by region, species, and season, so we give a band rather than a figure.