Projects / Keepsake box plans / 12″ × 8″ × 5½″ tall

12×8 keepsake box

A 12-by-8-inch box with mitered corners, a solid wood lid and a ¼″ panel bottom.

AdvancedHalf a day6 parts1× board or ¼″ plywood
1×6 · 5½″ × 48″AABB1×10 · 9¼″ × 24″C Lid¼″ plywood · 24″ × 24″D

Cutting diagram

1×6 · 5½″ × 48″AAB SideB Side1×10 · 9¼″ × 24″C Lid¼″ plywood · 24″ × 24″D Bottom

Bright pieces are your parts; the dimmed wood is left over. Every cut allows ⅛″ for the saw blade.

Cut list

PartQtyWidth × lengthCut from
AFront and back25½″ × 12″140 × 305 mm1× board
BSide25½″ × 8″140 × 203 mm1× board
CLid18½″ × 12½″216 × 318 mm1× board
DBottom17½″ × 11½″191 × 292 mm¼″ plywood

How to build it

  1. Cut a ¼″ groove along the inside face of the side stock, ¼″ up from the bottom edge, to hold the panel.
  2. Miter the four sides at 45°: two at 12″ and two at 8″ on the long edge, so the grain wraps around the corners.
  3. Cut the bottom panel to 11½″ × 7½″ so it sits in the grooves with a little room to move.
  4. Glue the miters with the bottom in place, unglued, and clamp with a band clamp.
  5. Cut the lid to 12½″ × 8½″ so it overhangs slightly, then fit it with small hinges.