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A three-tier staircase for a loft or bunk bed, built with open storage shelves underneath and heart-cutout decorative panels along an angled railing.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Landing side pieces | 2 | 3/4" × 16" × 39 1/4" | 3/4" plywood | ☐ |
| Landing top piece | 1 | 3/4" × 16" × 20" | 3/4" plywood | ☐ |
| Shelf pieces | 2 | 3/4" × 16" × 18 1/2" | 3/4" plywood | ☐ |
| Second-section side piece | 1 | 3/4" × 16" × 24" | 3/4" plywood | ☐ |
| Second-section underside piece | 1 | 3/4" × 16" × 19 1/4" | 3/4" plywood | ☐ |
| Center shelf | 1 | 3/4" × 16" × 23 1/4" | 3/4" plywood | ☐ |
| Small step tops | 2 | 3/4" × 16" × 9 1/4" | 3/4" plywood | ☐ |
| Small step undersides | 2 | 3/4" × 16" × 12" | 3/4" plywood | ☐ |
| Tall baluster trim Use your straightest boards. | 3 | 3/4" × 1 1/2" × 65" | 1x2 | ☐ |
| Second-step baluster trim | 1 | 3/4" × 1 1/2" × 45" | 1x2 | ☐ |
| First-step baluster trim | 2 | 3/4" × 1 1/2" × 35" | 1x2 | ☐ |
| Shelf and stair trim, horizontal Cut to fit — your opening should measure close to 22-1/2". | 6 | 3/4" × 1 1/2" × 22 1/2" | 1x2 | ☐ |
| Decorative panels, short Jigsaw a heart cutout centered on each, per your reference photo. | 3 | 3/4" × 3 1/2" × 30" | 1x4 | ☐ |
| Decorative panels, long Heart cutout. | 3 | 3/4" × 3 1/2" × 35" | 1x4 | ☐ |
| Decorative panels, landing Staggered heart cutouts across the three boards per landing section. | 6 | 3/4" × 3 1/2" × 25" | 1x4 | ☐ |
| Stair rail cap Cut to fit; roughly 48" with a 40° angle at the bottom and a 110° angle at the top. | 1 | 3/4" × 2 1/2" × 48" | 1x3 | ☐ |
| Landing trim cap Cut to fit; roughly 20-1/4" with a 70° vertical angle on one end and a 45° horizontal cut on the other. | 1 | 3/4" × 2 1/2" × 20 1/4" | 1x3 | ☐ |
| Rear railing cap Cut to fit; roughly 18-1/4" with a 45° angle on one end. | 1 | 3/4" × 2 1/2" × 18 1/4" | 1x3 | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| 3/4" plywood, 4x8 sheet Fill knots and holes with wood filler and sand before cutting. | 1 each | ☐ |
| 1x2 board, 8 ft (Pine) This size warps easily — pick a few of the straightest boards (at least 65" clear of warp) for the tall vertical baluster trim. | 14 each | ☐ |
| 1x4 board, 8 ft (Pine) | 7 each | ☐ |
| 1x3 board, 8 ft (Pine) | 2 each | ☐ |
| Pocket-hole screws, 1-1/4" | 60 each | ☐ |
| Finish nails | 100 each | ☐ |
| Wood glue | 10 oz | ☐ |
| Wood filler | 1 each | ☐ |
| Primer and paint | 2 quart | ☐ |
Overall cost: $$$. Lumber varies by region, species, and season, so we give a band rather than a figure.