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Folder with locking panels
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.

ECMA E40.82.00.00Trays & lids

Folder with locking panels dieline

A shallow folder for books or bars: side and end walls, locking panels folded in over the base, a front flap with a slot and a lid whose tongue locks into it. A parametric template — change the length, width and height and every panel, tuck and glue flap is redrawn to match.

Inside240 × 170 × 20 mm
Outside241 × 171 × 21 mm
Flat blank363.5 × 458.2 mm
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Flat dieline preview

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Reference
ECMA E40.82.00.00
Inside size
Length (A) 240 · Width (B) 170 · Depth (H) 20 mm
Size range
Length (A) 60–450 · Width (B) 40–350 · Depth (H) 5–80 mm
Manufacturing
240.5 × 170.5 × 20.5 mm score to score · inside vs outside sizes
Parts
One blank
Board area
0.124 m² · about 2 up on a 720 × 1020 mm sheet
Default board
SBS white board 350 g · 0.5 mm caliper
Board options
SBS 350FBB 400GD2 350Kraft 350F-fluteSBS 18 pt
Good for
ecma e40.82folderbook folderbar folderlocking panelswrap folderdocument folderchocolate barbooktongue lock

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
Folder with locking panels flat dieline with cut and crease lines

How the blank is sized

Score-to-score panel sizes of this ECMA E40.82.00.00 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.

PanelSize (mm)Formula
Base240.5 × 170.5L + T × W + T
Side wall ×2240.5 × 20.5L + T × H + T
Front flap (lock slot)240.5 × 56.3L + T × –
Lid240.5 × 170L + T × W
Locking tongue60.1 × 20.5–
End wall ×220.5 × 170.5H + T × W + T
Locking panel ×241 × 157–

Adjustable in the editor

Beyond the size and board, this structure exposes 3 options; the template and 3D preview follow each change.

  • Front flapmm
  • Locking panel depthmm
  • Tongue widthmm

Ready-sized folder with locking panels presets

The same structure with sizes, boards and options set for a use.

Similar structures

Other structures built in a similar way, matched on code family, category, closures and proportions.

All trays & lids templates

Make this folder with locking panels 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.