Preview image
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.
FEFCO 0421Mailer
Compact board game mailer — Self-locking box with lid dieline
Editable 260 × 260 × 75 mm starting point using self-locking box with lid. Adjust the dimensions to your product before prototyping. A ready-sized preset of the self-locking box with lid — change the length, width and height and every panel, tuck and glue flap is redrawn to match.
Inside260 × 260 × 75 mm
Outside269.6 × 263.2 × 78.2 mm
Flat blank574.4 × 723.2 mm
Download the dielinePro
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 0421
- Inside size
- Length 260 · Width 260 · Height 75 mm
- Size range
- Length 150–600 · Width 80–450 · Height 20–150 mm
- Manufacturing
- 268 × 261.6 × 76.6 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.289 m² · about 1 up on a 720 × 1020 mm sheet
- Default board
- E-flute kraft / kraft · 1.6 mm caliper
- Board options
- E-flute KE-flute WB-fluteF-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
- Bleed 3 mm
How the blank is sized
Score-to-score panel sizes of this FEFCO 0421 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 |
|---|---|---|
| Base | 268 × 261.6 | – |
| Front | 268 × 75.8 | – × H + T/2 |
| Back | 268 × 76.6 | – × H + T |
| Front ear ×2 | 75 × 71.8 | H × H − 2T |
| Back ear ×2 | 75 × 71.8 | H × H − 2T |
| Left end | 75 × 261.6 | H × – |
| Left end roll | 3.2 × 258.4 | – |
| Left end (inside) | 75 × 258.4 | H × – |
| Right end | 75 × 261.6 | H × – |
| Right end roll | 3.2 × 258.4 | – |
| Right end (inside) | 75 × 258.4 | H × – |
| Lid | 268 × 259.2 | – |
| Front tuck | 255.2 × 50 | – |
Adjustable in the editor
Beyond the size and board, this structure exposes 5 options; the template and 3D preview follow each change.
- Front tuck depthmm
- Lock tonguescount
- Thumb notchon / off
- Notch radiusmm
- Lid lock3 options
The self-locking box with lid family
The same structure with sizes, boards and options set for a use.
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Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this compact board game mailer — self-locking box with lid 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.