

The real blank at this size, folded by the same engine as the studio. The artwork is a sample from a fictional brand — swap in your own in the editor.
Diagonal-slot locking floor dieline
Slotted case with interlocking floor, with construction-specific folds and closures on a corrugated tube. A ready-sized preset of the slotted case with interlocking floor — change the length, width and height and every panel, tuck and glue flap is redrawn to match.

Sign in to download. Dieline downloads are part of Pro: PDF, Illustrator, SVG and DXF, cut, crease and bleed on separate layers, without a watermark. See plans
- Reference
- FEFCO 0232
- Inside size
- Length 400 · Width 280 · Height 240 mm
- Size range
- Length 120–1200 · Width 80–800 · Height 70–1000 mm
- Manufacturing
- 401.6 × 281.6 × 243.2 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.713 m²
- Default board
- E-flute kraft / kraft · 1.6 mm caliper
- Board options
- B-fluteEB doubleE-flute KE-flute WF-flute
- Good for
The flat dieline
Exactly what the downloads contain, drawn from the template at its default size, with a 3 mm bleed. How to read a dieline.
- Crease
- Cut
- Glue area
- Bleed 3 mm

How the blank is sized
Score-to-score panel sizes of this FEFCO 0232 blank at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (1.6 mm for E-flute kraft / kraft). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Front | 401.6 × 243.2 | L + T × H + 2T |
| Left side | 281.6 × 243.2 | W + T × H + 2T |
| Back | 401.6 × 243.2 | L + T × H + 2T |
| Right side | 280 × 243.2 | W × H + 2T |
| Glue flap | 20 × 243.2 | – × H + 2T |
| Top outer flap | 400 × 140.8 | L × – |
| Top inner flap ×2 | 278.4 × 140.8 | W − T × – |
| Top outer flap | 398.4 × 140.8 | L − T × – |
| bottom back | 398.4 × 140.8 | L − T × – |
| bottom left | 278.4 × 70.4 | W − T × – |
| bottom left lock strip | 244.8 × 70.4 | – |
| Flexible slot-lock corner ×4 | 40.4 × 85.9 | – |
| bottom front | 398.4 × 140.8 | L − T × – |
| bottom right | 276.8 × 70.4 | W − 2T × – |
| bottom right lock strip | 243.2 × 70.4 | – |
Adjustable in the editor
Beyond the size and board, this structure exposes 1 option; the template and 3D preview follow each change.
- Construction3 options
The slotted case with interlocking floor family
The same structure with sizes, boards and options set for a use.

Preset
Preset
Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this diagonal-slot locking floor yours
Open it in the editor to set your size, drop artwork on each face, check bleed and safe areas, and export print-ready PDF with the dieline on its own layer — or stage it in a 3D scene for a mockup.





