Floating Shelf with Plywood Covering — board plan

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

Buy 5 boards at 8 ft.

3/4" × 2 1/2" — 1x3

2 boards · 1.9 board feet (includes 15% for knots and defects) · 68% of the boards you buy used

Board 1 · 13 3/4" left over
48"6 1/2"6 1/2"6 1/2"6 1/2"6 1/2"
1. Frame long rails — 48"
2. Frame ribs — 6 1/2"
3. Frame ribs — 6 1/2"
4. Frame ribs — 6 1/2"
5. Frame ribs — 6 1/2"
6. Frame ribs — 6 1/2"
Board 2 · 46 7/8" left over
48"
1. Frame long rails — 48"

1/4" × 8" — 1/4" plywood

2 boards · 1.5 board feet (includes 15% for knots and defects) · 51% of the boards you buy used

Board 1 · 46 7/8" left over
48"
1. Bottom/top skin — 48"
Board 2 · 46 7/8" left over
48"
1. Bottom/top skin — 48"

1/4" × 3" — 1/4" plywood

1 board · 0.4 board feet (includes 15% for knots and defects) · 69% of the boards you buy used

Board 1 · 30 1/8" left over
48"8 1/4"8 1/4"
1. Front skin strip — 48"
2. Side skin pieces — 8 1/4"
3. Side skin pieces — 8 1/4"

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.

3/4" × 2 1/2" — 1x3

Board 1 · 13 3/4" left over

Board 2 · 46 7/8" left over

1/4" × 8" — 1/4" plywood

Board 1 · 46 7/8" left over

Board 2 · 46 7/8" left over

1/4" × 3" — 1/4" plywood

Board 1 · 30 1/8" left over