

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.
Corrugated sleeve, axis along the width dieline
A glued four-panel sleeve (L, H, L, H) open at both ends; its length is the box width. Sleeve length is B, depth is H, height is L. A ready-sized preset of the open-ended sleeve — 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
- ECMA A01.01.00.00
- Inside size
- Length 300 · Depth 120 · Height 400 mm
- Size range
- Length 20–600 · Depth 3–300 · Height 15–400 mm
- Manufacturing
- 300 × 120.9 × 400.9 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.319 m²
- Default board
- F-flute micro corrugated · 0.9 mm caliper
- Board options
- SBS 350SBS 300FBB 400Kraft 350Black 350GD2 350PET 0.3F-fluteSBS 18 pt
- 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 ECMA A01.01.00.00 blank at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (0.9 mm for F-flute micro corrugated). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Front | 400.9 × 300 | H + T × L |
| Top | 120.9 × 300 | W + T × L |
| Back | 400.9 × 300 | H + T × L |
| Bottom | 120 × 300 | W × L |
| Glue flap | 20 × 300 | – × L |
Adjustable in the editor
Beyond the size and board, this structure exposes 2 options; the template and 3D preview follow each change.
- Thumb notcheson / off
- Windowon / off
The open-ended sleeve family
The same structure with sizes, boards and options set for a use.

Preset
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Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this corrugated sleeve, axis along the width 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.





