Daily Archives: 07/10/2026

Modern 3D representation of a Key Line Drawing (KLD) showing precise cut lines, crease lines, and glue flap boundaries overlaid on a folding carton.
A key line drawing in packaging (KLD in Packaging) is a flat, 1:1 scale technical drawing of a packaging structure showing cut lines, crease lines, perforations, and glue flaps. Most converters treat KLD and dieline as synonyms. Die-makers build the cutting die from the KLD geometry, and prepress places artwork, […]

What Is KLD in Packaging? Key Line Drawing vs. Dieline

 in Basic info / Design / Packaging / Postpress / troubleshooting  tagged bleed / board caliper / crease lines / cut lines / die-cutting / Dieline / digital cutting table / FEFCO code / flatbed steel-rule die / glue flap area / ISO 15930 / ISO 534 / loupe / micrometer / overprint stroke / PDF/X / perforation line / preflight / prepress / print-to-cut registration / rotary die / safe zone / spot color by