Blank
The flat, cut and scored sheet of board that folds into a box.
In practice
Blank size drives board use and therefore box weight and cost. A regular slotted container has a nominal blank of (2L + 2W + glue tab) by (H + W).
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Related terms
- Score line
- A crease pressed into board so it folds cleanly along a line.
- Slot
- The narrow cut between adjacent flaps on a slotted blank, so the flaps can fold independently.
- Glue tab
- The narrow strip on one end of a slotted blank that is glued, taped or stitched to the last panel to make the box a tube.
- Dieline
- The flat drawing of a blank, with cut lines and fold (score) lines marked.
Definitions written by Packgent, last reviewed 2026-10-27. All terms.