

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.
Snap-lock telescope dieline
Paired trays and capped sleeves with source-specific corner joints, wall returns and locking closures. A ready-sized preset of the standard telescope constructions — 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
- FEFCO 0321
- Inside size
- Inside length 400 · Inside width 300 · Inside height 100 mm
- Size range
- Inside length 160–1000 · Inside width 120–800 · Inside height 25–240 mm
- Manufacturing
- 401.6 × 301.6 × 101.6 mm score to score · inside vs outside sizes
- Parts
- 2 parts — lid, inner
- Board area
- 0.674 m²
- Default board
- E-flute white / kraft · 1.6 mm caliper
- Board options
- B-fluteEB doubleE-flute KE-flute WF-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
- Glue area
- Bleed 3 mm

How the blank is sized
Score-to-score panel sizes of this FEFCO 0321 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 |
|---|---|---|
| Pose riglid | 100 × 65 | – |
| Frontlid | 100 × 166.6 | L + T × H + T |
| Left sidelid | 308.8 × 101.6 | W + T × H + T |
| Backlid | 408.8 × 101.6 | L + T × H + T |
| Right sidelid | 307.2 × 101.6 | W × H + T |
| Glue flaplid | 20 × 101.6 | – × H + T |
| Snap endlid | 308.8 × 102.4 | – |
| Snap endlid | 307.2 × 102.4 | – |
| Snap bottomlid | 408.8 × 199.7 | – |
| Snap tucklid | 408.8 × 198.1 | – |
| Frontinner | 401.6 × 101.6 | L + T × H + T |
| Left sideinner | 301.6 × 101.6 | W + T × H + T |
| Backinner | 401.6 × 101.6 | L + T × H + T |
| Right sideinner | 300 × 101.6 | W × H + T |
| Glue flapinner | 20 × 101.6 | – × H + T |
| Snap endinner | 301.6 × 100 | W + T × – |
3 more panels are listed in the editor’s structure step.
Adjustable in the editor
Beyond the size and board, this structure exposes 3 options; the template and 3D preview follow each change.
- Construction14 options
- Cover depthmm
- Cover clearance per sidemm
The standard telescope constructions 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 snap-lock telescope 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.





