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
Gift box 250×250×100 dieline
Square white box for a printed unboxing. 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.
Inside250 × 250 × 100 mm
Outside259.6 × 253.2 × 103.2 mm
Flat blank664.4 × 753.2 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 250 · Width 250 · Height 100 mm
- Size range
- Length 150–600 · Width 80–450 · Height 20–150 mm
- Manufacturing
- 258 × 251.6 × 101.6 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.326 m² · about 1 up on a 720 × 1020 mm sheet
- Default board
- E-flute white / 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 white / kraft). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Base | 258 × 251.6 | – |
| Front | 258 × 100.8 | – × H + T/2 |
| Back | 258 × 101.6 | – × H + T |
| Front ear ×2 | 100 × 96.8 | – × H − 2T |
| Back ear ×2 | 100 × 96.8 | – × H − 2T |
| Left end | 100 × 251.6 | H × – |
| Left end roll | 3.2 × 248.4 | – |
| Left end (inside) | 100 × 248.4 | H × – |
| Right end | 100 × 251.6 | H × – |
| Right end roll | 3.2 × 248.4 | – |
| Right end (inside) | 100 × 248.4 | H × – |
| Lid | 258 × 249.2 | – |
| Front tuck | 245.2 × 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.
Preset
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Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this gift box 250×250×100 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.