Sandbox with Fold-Out Seats — board plan

What to buy, and which parts come off which board.

Buy 15 boards at 8 ft.

1 1/2" × 3 1/2"

1 board · 3.4 board feet (includes 15% for knots and defects) · 85% of the boards you buy used

Board 1 · 14" left over
12 1/2"12 1/2"12 1/2"12 1/2"7 1/2"7 1/2"7 1/2"7 1/2"
1. Back supports / handles — 12 1/2"
2. Back supports / handles — 12 1/2"
3. Back supports / handles — 12 1/2"
4. Back supports / handles — 12 1/2"
5. Armrests — 7 1/2"
6. Armrests — 7 1/2"
7. Armrests — 7 1/2"
8. Armrests — 7 1/2"

3/4" × 7 1/4" — 1x8

2 boards · 8.1 board feet (includes 15% for knots and defects) · 99% of the boards you buy used

Board 1 · 1 1/4" left over
47 1/2"46"
1. Long sides — 47 1/2"
2. Short sides — 46"
Board 2 · 1 1/4" left over
47 1/2"46"
1. Long sides — 47 1/2"
2. Short sides — 46"

3/4" × 3 1/2" — 1x4

12 boards · 11.9 board feet (includes 15% for knots and defects) · 51% of the boards you buy used

Board 1 · 47 3/8" left over
47 1/2"
1. Top planks — 47 1/2"
Board 2 · 47 3/8" left over
47 1/2"
1. Top planks — 47 1/2"
Board 3 · 47 3/8" left over
47 1/2"
1. Top planks — 47 1/2"
Board 4 · 47 3/8" left over
47 1/2"
1. Top planks — 47 1/2"
Board 5 · 47 3/8" left over
47 1/2"
1. Top planks — 47 1/2"
Board 6 · 47 3/8" left over

Cuts are listed longest-first, which is how they should be made: the awkward pieces get placed while there is still board to place them on. The layout assumes one end of each board is squared off (1") and that every cut costs 1/8" of kerf — the reason six 16″ parts do not fit on a 96″ board.

Sandbox with Fold-Out Seats — board plan

1 1/2" × 3 1/2"

Board 1 · 14" left over

3/4" × 7 1/4" — 1x8

Board 1 · 1 1/4" left over

Board 2 · 1 1/4" left over

3/4" × 3 1/2" — 1x4

Board 1 · 47 3/8" left over

Board 2 · 47 3/8" left over

Board 3 · 47 3/8" left over

Board 4 · 47 3/8" left over

Board 5 · 47 3/8" left over

Board 6 · 47 3/8" left over

Board 7 · 47 3/8" left over

Board 8 · 47 3/8" left over

Board 9 · 47 3/8" left over

Board 10 · 47 3/8" left over

Board 11 · 47 3/8" left over

Board 12 · 47 3/8" left over