

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.
Picnic carry box — Briefcase box dieline
Editable 250 × 150 × 120 mm starting point using briefcase box. Adjust the dimensions to your product before prototyping. A ready-sized preset of the briefcase 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
- DM-BRIEFCASE-SNAP-01
- Inside size
- Length 250 · Width 150 · Height 120 mm
- Size range
- Length 60–400 · Width 40–250 · Height 40–400 mm
- Manufacturing
- 250.5 × 150.5 × 120.5 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.238 m² · about 2 up on a 720 × 1020 mm sheet
- Default board
- SBS white board 350 g · 0.5 mm caliper
- Board options
- SBS 350Kraft 350FBB 400SBS 300GD2 350F-fluteE-flute WE-flute KSBS 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.
- Reverse crease
- Crease
- Cut
- Glue area
- Bleed 3 mm

How the blank is sized
Score-to-score panel sizes of this DM-BRIEFCASE-SNAP-01 blank at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (0.5 mm for SBS white board 350 g). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Front | 250.5 × 120.5 | L + T × H + T |
| Left side | 150.5 × 120.5 | W + T × H + T |
| Back | 250.5 × 120.5 | L + T × H + T |
| Right side | 150 × 120.5 | W × H + T |
| Glue flap | 12 × 120.5 | – × H + T |
| Snap end | 150.5 × 50 | W + T × – |
| Snap end | 150 × 50 | W × – |
| Snap bottom | 250.5 × 97.5 | L + T × – |
| Snap tuck | 250.5 × 97 | L + T × – |
| Back lid | 250.5 × 74.8 | L + T × W/2 − T/2 |
| Front lid | 250.5 × 74.8 | L + T × W/2 − T/2 |
| Back handle | 250.5 × 52 | L + T × – |
| Front handle | 250.5 × 52 | L + T × – |
| Top dust flap | 150.5 × 87.7 | W + T × – |
| Top dust flap | 150 × 87.7 | W × – |
Adjustable in the editor
Beyond the size and board, this structure exposes 3 options; the template and 3D preview follow each change.
- Bottom3 options
- Handle heightmm
- Hole widthmm
The briefcase box 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 picnic carry box — briefcase box 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.





