Glue flap
Width of the glue flap used to glue the blank into a tube. The material requires a minimum width.
Folding cartons / JETDIELINE
The sleeve surrounds a product with four walls and remains open at both ends. Length and width describe the cross-section; height describes the sleeve length. The dieline shows version 1 with finger notches on the front. Material thickness, glue flap and notch position remain part of the calculation rather than simple scaling.


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03 / BOX
Simplified display model without material thickness, not to scale.
The 3D view is not available in this browser. The image shows the folded shape.
carton.sleeveFour wall panels and a side glue flap form an open tube. The finger notch appears at both open edges of the selected panel. It can be on the front, back or both. Height remains the same for inside, outside and crease-to-crease dimensions because the open ends have no closing wall.
Pre-break all creases in the blank, glue the glue flap to the inside of the opposite wall and flatten the sleeve. Erect for use and slide in the contents.
Grain direction parallel to the height (sleeve length): wall creases fold cleanly. For wide, thin walls, across the height to reduce bowing (check with the test printer).
Test fit, folding and closure on a sample made from the intended material. Confirm material thickness, grain direction and production steps with your printer.
Inside dimension
These dimensions describe the preview, not a fixed packaging size. The app recalculates the dieline for your own dimensions.
Width of the glue flap used to glue the blank into a tube. The material requires a minimum width.
Angle at the ends of the glue flap; makes folding and erection easier.
Semicircular notch at both open edges for gripping the contents.
Radius (= depth) of the finger notch; limited by sleeve length and panel width.
Panel with finger notch: front, back or both.
Height measures the distance between the two open edges. Length and width instead form the tube's cross-section. Because no wall joins at the top or bottom, switching between inside, outside and crease-to-crease dimensions does not change the height. The cross-section is still converted using the chosen material profile.
Yes. fingerNotch controls notches at both open edges. In the starting example, the option is enabled and centred on the front. Without a notch, the open edges remain continuous. Check how you can grip or push out the contents; this gives the sleeve no additional closure.
The notch, including lead-ins and minimum bridge, must fit between the wall creases. A position near the left or right edge reduces this space. Depth may also be no more than 40 % of the sleeve length. A radius within the table range can therefore still be invalid under the geometric conditions.
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