

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.
Three-cell shipper 400×300×300 dieline
Three long cells divided by the box’s own flaps. A ready-sized preset of the three-cell box with flap partitions — 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 0229
- Inside size
- Length 400 · Width 300 · Height 300 mm
- Size range
- Length 160–1200 · Width 90–1000 · Height 80–1000 mm
- Manufacturing
- 403.2 × 303.2 × 306.4 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 1.068 m²
- Default board
- B-flute shipping · 3.2 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 0229 blank at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (3.2 mm for B-flute shipping). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Front | 403.2 × 306.4 | L + T × H + 2T |
| Left side | 303.2 × 306.4 | W + T × H + 2T |
| Back | 403.2 × 306.4 | L + T × H + 2T |
| Right side | 300 × 306.4 | W × H + 2T |
| Glue flap | 32 × 306.4 | – |
| Bottom long flap | 396.8 × 101.1 | L − T × – |
| Partition lip ×2 | 384 × 147 | – |
| Bottom long flap | 400 × 101.1 | L × – |
| Partition lip ×2 | 387.2 × 147 | – |
| Bottom end flap ×2 | 296.8 × 101.1 | – |
| Bottom end flap (past the score) ×2 | 296.8 × 100.5 | – |
| Top long flap | 396.8 × 101.1 | L − T × – |
| Top long flap | 400 × 101.1 | L × – |
| Top end flap ×2 | 296.8 × 101.1 | – |
| Top end flap (past the score) ×2 | 296.8 × 100.5 | – |
Adjustable in the editor
Beyond the size and board, this structure exposes 1 option; the template and 3D preview follow each change.
- Partition lipmm
The three-cell box with flap partitions family
The same structure with sizes, boards and options set for a use.

Preset
Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this three-cell shipper 400×300×300 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.





