36" Floating Vanity Cabinet — board plan

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

Buy 6 boards at 8 ft.

3/4" × 21 1/2" — 3/4" plywood, cabinet grade, full sheet

2 boards · 15.1 board feet (includes 15% for knots and defects) · 63% of the boards you buy used

Board 1 · 17 1/8" left over
34 1/2"21 1/2"21 1/2"
1. Bottom — 34 1/2"
2. Sides — 21 1/2"
3. Sides — 21 1/2"
Board 2 · 54 3/4" left over
20"20"
1. Inner vertical dividers — 20"
2. Inner vertical dividers — 20"

3/4" × 20" — 3/4" plywood, cabinet grade, full sheet

1 board · 1.9 board feet (includes 15% for knots and defects) · 18% of the boards you buy used

Board 1 · 78 3/4" left over
8"8"
1. Back support panels — 8"
2. Back support panels — 8"

3/4" × 8" — 3/4" plywood, cabinet grade, full sheet

1 board · 2.0 board feet (includes 15% for knots and defects) · 44% of the boards you buy used

Board 1 · 53 3/4" left over
20 1/2"20 1/2"
1. Shelves — 20 1/2"
2. Shelves — 20 1/2"

3/4" × 2 1/2" — 1x3, 10 ft total

2 boards · 1.5 board feet (includes 15% for knots and defects) · 55% of the boards you buy used

Board 1 · 8 5/8" left over
34 1/2"34 1/2"17"
1. Top trim — 34 1/2"
2. Top trim — 34 1/2"
3. Back supports — 17"
Board 2 · 77 7/8" left over
17"
1. Back supports — 17"

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" × 21 1/2" — 3/4" plywood, cabinet grade, full sheet

Board 1 · 17 1/8" left over

Board 2 · 54 3/4" left over

3/4" × 20" — 3/4" plywood, cabinet grade, full sheet

Board 1 · 78 3/4" left over

3/4" × 8" — 3/4" plywood, cabinet grade, full sheet

Board 1 · 53 3/4" left over

3/4" × 2 1/2" — 1x3, 10 ft total

Board 1 · 8 5/8" left over

Board 2 · 77 7/8" left over