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
Self-locking tray with tuck-in lid dieline
The nib-lock tray with its lid hinged on the back wall and closed by a tuck-in flap. 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 × 180 × 60 mm
Outside263 × 181 × 61 mm
Flat blank504.5 × 511 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 180 · Height 60 mm
- Size range
- Length 150–600 · Width 80–450 · Height 20–150 mm
- Manufacturing
- 262.5 × 180.5 × 60.5 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.189 m² · about 1 up on a 720 × 1020 mm sheet
- Default board
- SBS white board 350 g · 0.5 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 (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 |
|---|---|---|
| Base | 262.5 × 180.5 | – × W + T |
| Front | 262.5 × 60.3 | – × H + T/2 |
| Back | 262.5 × 60.5 | – × H + T |
| Front ear ×2 | 60 × 58.5 | H × – |
| Back ear ×2 | 60 × 58.5 | H × – |
| Left end | 60 × 180.5 | H × W + T |
| Left end roll | 1 × 179.5 | – × W − T |
| Left end (inside) | 60 × 179.5 | H × W − T |
| Right end | 60 × 180.5 | H × W + T |
| Right end roll | 1 × 179.5 | – × W − T |
| Right end (inside) | 60 × 179.5 | H × W − T |
| Lid | 262.5 × 179.8 | – × W − T/2 |
| Front tuck | 258.5 × 30 | – |
Adjustable in the editor
Beyond the size and board, this structure exposes 4 options; the template and 3D preview follow each change.
- Front tuck depthmm
- Lock tonguescount
- Thumb notchon / off
- 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 self-locking tray with tuck-in 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.