

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 0721 · Dual-cover locking auto-bottom case dieline
Two full covers with a handle opening and struck locking latch. A ready-sized preset of the covering auto-bottom case — 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 0721
- Inside size
- Length 300 · Width 200 · Height 150 mm
- Size range
- Length 100–1000 · Width 60–800 · Height 50–900 mm
- Manufacturing
- 301.6 × 201.6 × 154.8 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.443 m²
- Default board
- E-flute kraft / 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.
- Reverse crease
- Crease
- Cut
- Glue area
- Bleed 3 mm

How the blank is sized
Score-to-score panel sizes of this FEFCO 0721 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 |
|---|---|---|
| Front | 301.6 × 154.8 | L + T × H + 3T |
| Left side | 201.6 × 154.8 | W + T × H + 3T |
| Back | 301.6 × 154.8 | L + T × H + 3T |
| Right side | 200 × 154.8 | W × H + 3T |
| Glue flap | 20 × 154.8 | – |
| Auto-bottom side flap | 201.6 × 98.8 | W + T × – |
| Pre-glued diagonal ear | 139.7 × 88.7 | – |
| Auto-bottom side flap | 200 × 98 | W × – |
| Pre-glued diagonal ear | 138.6 × 88.1 | – |
| Scored major glue web | 22.9 × 212.9 | – |
| Scored major glue web | 11.5 × 106.5 | – |
| Short auto-bottom flap | 301.6 × 100.8 | L + T × – |
| Covering bottom with integral tongue | 301.6 × 201.6 | L + T × W + T |
| Integral bottom tongue | 54.3 × 11 | – |
| Inner lid flap | 198.4 × 80.6 | W − T × – |
| Inner lid flap | 196.8 × 80.6 | W − 2T × – |
5 more panels are listed in the editor’s structure step.
Adjustable in the editor
Beyond the size and board, this structure exposes 5 options; the template and 3D preview follow each change.
- Construction6 options
- Bottom tongue widthmm
- Bottom tongue depthmm
- Handle opening widthmm
- Lid locking tab widthmm
The covering auto-bottom case family
The same structure with sizes, boards and options set for a use.

Preset
Preset
Preset
Preset
Preset
Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this fefco 0721 · dual-cover locking auto-bottom case 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.





