

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.
B-flute shipping case 400 × 300 × 250 dieline
Regular slotted container at 400 × 300 × 250 mm inside, B flute, cut and crease on separate layers for DXF export. A ready-sized preset of the shipping box — 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 0201
- Inside size
- Length 400 · Width 300 · Height 250 mm
- Size range
- Length 80–1200 · Width 60–1000 · Height 40–1200 mm
- Manufacturing
- 403.2 × 303.2 × 256.4 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.791 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 it folds
The b-flute shipping case 400 × 300 × 250 erects in 5 steps, in the order the creases are scored to take. The editor plays the same sequence in 3D and lights each step’s creases on the dieline.
- 1Fold the walls upLeft side, Back, Right side, Glue flap
- 2Fold the dust flaps inBottom inner flap and 1 more
- 3Close the end flapsBottom outer flap and 1 more
- 4Fold the dust flaps inTop inner flap and 1 more
- 5Close the end flapsTop outer flap and 1 more
How the blank is sized
Score-to-score panel sizes of this FEFCO 0201 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 × 256.4 | L + T × H + 2T |
| Left side | 303.2 × 256.4 | W + T × H + 2T |
| Back | 403.2 × 256.4 | L + T × H + 2T |
| Right side | 300 × 256.4 | W × H + 2T |
| Glue flap | 32 × 256.4 | – × H + 2T |
| Bottom outer flap | 400 × 151.6 | L × – |
| Bottom inner flap ×2 | 296.8 × 151.6 | W − T × – |
| Bottom outer flap | 396.8 × 151.6 | L − T × – |
| Top outer flap | 400 × 151.6 | L × – |
| Top inner flap ×2 | 296.8 × 151.6 | W − T × – |
| Top outer flap | 396.8 × 151.6 | L − T × – |
Adjustable in the editor
Beyond the size and board, this structure exposes 4 options; the template and 3D preview follow each change.
- Flap depthmm
- Open top (HSC)on / off
- Top flaps2 options
- Hand holeson / off
The shipping box family
The same structure with sizes, boards and options set for a use.

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Before you choose this template
Size, materials, downloads and production checks.
Will the b-flute shipping case 400 × 300 × 250 dieline fit my product?
Regular slotted container at 400 × 300 × 250 mm inside, B flute, cut and crease on separate layers for DXF export. The default dimensions in inside-size mode are Length 400 mm, Width 300 mm, Height 250 mm. Measure your product and any inserts or wrapping, then set the template size. Check a physical sample with your contents before ordering production.
Can I change the size and design?
Yes. The supported ranges are Length 80–1200 mm, Width 60–1000 mm, Height 40–1200 mm. At the default settings, the editor also exposes Flap depth, Open top (HSC), Top flaps, Hand holes. Add your own artwork and preview the result in 3D. The template geometry is rebuilt when its dimensions change.
Which materials can I choose?
The default is B-flute shipping (3.2 mm caliper). This structure allows B-flute shipping, EB double wall, E-flute kraft / kraft, E-flute white / kraft, F-flute micro corrugated. Select the stock before checking fit, and ask your converter to confirm the grade and caliper for the intended product.
Which files can I download?
The template page offers dimensioned PDF, Illustrator (.ai via script), layered SVG and DXF cutting and crease geometry. After adding artwork in the editor, you can export a print-ready PDF and review the bleed, safe areas and dieline layers with your printer.
Is this dieline free?
Browsing the previews is free, and you can customize the template after signing in with Google. Template and print-file downloads require a Pro or Business plan. The Free plan allows one eligible download every 8 hours; free mockups, renders and videos carry a watermark. See the pricing page for the current plans.
Can I send the download straight to production?
Use the file as a starting point for a printer or converter review. Confirm the finished dimensions, stock, crease and cutting setup, assembly, bleed and artwork, then approve a physical sample. The 3D preview does not test strength, transit performance or suitability for particular contents.
Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this b-flute shipping case 400 × 300 × 250 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.





