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DielineMaker
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A3 quarter-fold poster
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.

Parametric structureCards & tags

A3 quarter-fold poster dieline

One sheet is halved, then halved at right angles to make four physical panels/eight print faces. Choose which direction folds first. The perpendicular scores retain all four connected quadrants; exports contain a complete uncut sheet with actual fold guides on both directions. A ready-sized preset of the french / cross-fold brochure — change the length, width and height and every panel, tuck and glue flap is redrawn to match.

Inside210 × 148.5 mm
Outside210 × 148.5 mm
Flat blank420 × 297 mm
Download the dielinePro
Flat dieline preview

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
—
Inside size
Quarter-fold finished width 210 · Quarter-fold finished height 148.5 mm
Size range
Quarter-fold finished width 45–350 · Quarter-fold finished height 60–350 mm
Manufacturing
210 × 148.5 mm score to score · inside vs outside sizes
Parts
One blank
Board area
0.125 m² · about 3 up on a 720 × 1020 mm sheet
Default board
Art paper 170 g · 0.16 mm caliper
Board options
Paper 170SBS 300SBS 350SBS 18 pt
Good for
420 x 297 flata3french foldcross foldquarter foldright angle foldeight page brochurefolded postertwo direction fold

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
  • Bleed 3 mm
A3 quarter-fold poster flat dieline with cut and crease lines

How the blank is sized

Score-to-score panel sizes at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (0.16 mm for Art paper 170 g). Change the size or board in the editor and every panel is recalculated.

PanelSize (mm)Formula
Front cover / lower right210 × 148.5L × H
Upper panel 2210 × 148.5L × H
Lower panel 1210 × 148.5L × H
Upper panel 1210 × 148.5L × H

Adjustable in the editor

Beyond the size and board, this structure exposes 2 options; the template and 3D preview follow each change.

  • First half-fold direction2 options
  • Final fold opening°

The french / cross-fold brochure family

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 cards & tags templates

Make this a3 quarter-fold poster 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.