Cutting data (mm)
Step box 900 × 290 × 80
Walls/top: 20 · Cavity: 860 × 250 × 60
Holes: Ø12 ×2 per end, 150 c/c
Bottom cover 860 × 248 × 20
■ Piece A / ■ Piece B — blanks 490 × 248
Tabs: 120 × 63 · Centre gap: 120 × 122
Front edges: 490 + 370 · Back: 370 + 490