

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.
Rounded-back wedge, 3 rounded corners dieline
Cheese or cake wedge carton with a curved back and all corners rounded. A ready-sized preset of the three-cornered hinged-lid carton — 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
- ECMA F40.04.00.00
- Inside size
- Back width (A) 180 · Depth (B) 135 · Height 45 mm
- Size range
- Back width (A) 40–400 · Depth (B) 40–400 · Height 15–150 mm
- Manufacturing
- 180 × 135 × 45 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.051 m² · about 6 up on a 720 × 1020 mm sheet
- Default board
- SBS white board 350 g · 0.5 mm caliper
- Board options
- SBS 350FBB 400Food SBS PEKraft 350GD2 350E-flute WSBS 18 pt
- 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 ECMA F40.04.00.00 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 | 127.5 × 166.8 | – |
| Back wall ×9 | 45 × 18.3 | H × – |
| Corner band ×12 | 45 × 4 | – |
| Wall lap ×2 | 45 × 22.5 | H × – |
| Side wall ×2 | 103.6 × 45 | – |
| Corner band ×6 | 4 × 45 | – |
| Wall lap | 22.5 × 45 | – |
| Lid | 127.5 × 18.3 | – |
| Lid flap | 52 × 33.8 | – |
| Lid flap | 52 × 22.5 | – |
Adjustable in the editor
Beyond the size and board, this structure exposes 3 options; the template and 3D preview follow each change.
- Construction5 options
- Corner radiusmm
- Lid flap depthmm
The three-cornered hinged-lid carton family
The same structure with sizes, boards and options set for a use.

Preset
Preset
Preset
Preset
Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this rounded-back wedge, 3 rounded corners 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.





