ECMA · 2D DIELINE
Presentation Tray
ECMA B20.02.00.00
An unglued carton tray with two returning double walls and corner locks. The open top presents gift sets and products.
Use this templateInteractive 3D folding is available in the studio.


Artwork shown for illustration. Add your own in the studio.
CONSTRUCTION NOTES
About this construction.
Reading the code B20.02.00.00
B20.02.00.00 sits in ECMA group B: non-long-seam-glued folding cartons with rectangular surfaces — tray-style constructions that lock together without a glued long seam, with all outer panels meeting at right angles. The code's blocks describe, in order, the basic tray shape (20), the flap locking system (02), the dust flaps (00) and the cover system (00).
This design is an unglued self-locking tray with two double walls, locked with corner locks; no cover system is coded, so the design works as an open tray.
Group B designs can serve as a single tray or, paired with a matching lid, as a telescopic packaging system.
How the closures behave
The two long walls fold up and return on themselves as double walls; the end walls lock into them at the four corners by tab and slot, so the tray squares itself without adhesive. No cover system is coded, so the open tray is the finished pack or sits inside a sleeve.
Typical uses
Unglued tray constructions are erected at the point of use without adhesive: food and bakery trays, counter and display trays, and — with a lid — telescoping gift and presentation boxes. Because they lock by geometry, they store and ship flat and assemble by hand in seconds.
Dimensions and board
The parameters above — length, width, depth and paper thickness — drive the whole blank. Board caliper is not a footnote: tuck clearances, lock engagement and panel fit all scale with it, which is why it is a first-class input to the parametric model rather than an allowance you add by hand.
Every value is validated against the template's supported range, and the 2D dieline and 3D fold preview regenerate together from the same structure. Confirm final board grade, grain direction and tolerances with your converter before production.
Industries and applications
Converters cut the Presentation Tray (ECMA B20.02.00.00) for counter and shelf-ready displays, retail product boxes for the shelf, and gift boxes and presentation packs.
A display tray goes from the transit case onto the shelf in one movement, so the front must open the product to the shopper while the walls keep it in line.
COMMON QUESTIONS
Quick answers about this template.
What is Presentation Tray — Two Double Wall, Corner Locks?
ECMA B20.02.00.00 is an unglued carton tray with two double walls and corner locks, open at the top. It erects by hand: the double walls fold back on themselves and lock at the corners, with no glue and no lid.
Which dimensions does the Presentation Tray — Two Double Wall, Corner Locks dieline need?
4 parameters drive the blank: L (length), W (width), D (depth), Paper thickness (mm, um). Each value is validated against the template's supported range, and the whole dieline regenerates from them.
Can I see how Presentation Tray — Two Double Wall, Corner Locks folds before cutting it?
Yes. The interactive 3D fold preview and the 2D dieline are generated from the same parametric model, so the fold you watch on screen is the geometry of the sheet you cut. Open the template in the studio to fold it at your own dimensions; 3D folding comes with the Workshop and Line plans.