Potential advantages
Reduces avoidable revisions; makes supplier handover clearer; protects legibility and brand consistency; supports better proofing.
Artwork & Prepress · Technical GuidePackaging Artwork & Prepress
Packaging Artwork & Prepress
Explained.
A practical workflow for turning an approved pack design into a production-ready file aligned to a converter’s dieline and print process. Packaging prepress is the bridge between design intent and repeatable manufacture. The artwork must align with the actual structure, printing process, substrate, finishing, cutting or sealing, variable data and compliance-approved copy. A visually polished mockup is not the same thing as a production file.
Schematic only; not to scale. Final material construction, dimensions, seals, closures and print zones must come from the selected packaging converter.
01 / Anatomy & construction
What is this format?
Packaging prepress is the bridge between design intent and repeatable manufacture. The artwork must align with the actual structure, printing process, substrate, finishing, cutting or sealing, variable data and compliance-approved copy. A visually polished mockup is not the same thing as a production file.
Key components
- Dieline / structural layer
Shows cut, crease, perforation, fold and construction boundaries. It must match the current supplier file. - Bleed
Artwork extension beyond the final cut or trim boundary to reduce the risk of unprinted edges. - Safe area
A buffer inside trim, crease and seal zones where important content should remain clear. - Seal / glue / no-print zones
Areas where ink, coatings or critical copy may be unsuitable; these are supplier-specific. - Colour and print setup
Colour spaces, spot colours, white ink, overprint and trapping follow the converter’s specifications. - Variable data
Batch, date, barcode or other changing information requires agreed position, format and legibility.
Design principle: build the artwork around the real pack construction, not the other way around. Folds, seals, fitments and machine requirements can change the printable area.
02 / Materials & structure
What is it made from?
Common component roles are described below for learning. They are not a recommended bill of materials for every product or supplier.
| Component / layer | Typical role and specification questions |
|---|---|
| Design artwork | Brand identity, hierarchy, product information, imagery and legally approved copy. |
| Technical dieline | The manufacturer’s structural template; maintained as a separate, clearly identified layer where possible. |
| Production separations | Colour plates, spot colours, white ink, varnish or other special separations when required by the print process. |
| Output proof | A reviewed PDF or physical proof used to verify content, alignment, colour expectations and finishing constraints. |
Important: a pack’s performance depends on the complete converted structure, including seams, folds, seals, fitments, thickness, process settings and storage conditions. Ask the converter for supporting technical data and product-specific validation.
03 / Applications & trade-offsPROTECTION PRODUCTION USE & DISTRIBUTION
Where is it used?
Use this workflow for flexible film, sachets, pouches, paper sacks, folding cartons, labels and other printed packaging.
Trade-offs to consider
There is no universal export preset that suits every converter. A file can be technically valid but still wrong for a particular press, substrate or die.
Define the product’s sensitivity to moisture, oxygen, light, aroma, contamination, impact or leakage where relevant.
Confirm filling equipment, speed, sealing method, machine compatibility, pack orientation and expected production volume.
Consider transport, stacking, shelf presentation, opening, carrying, reclosure and local end-of-life realities.
04 / Artwork & prepress
Designing for the real pack
Always request the converter’s preferred PDF standard, colour profile, spot-colour naming, image resolution, trapping/overprint guidance, dieline and proofing process. Never redraw dimensions from a screenshot if an approved file is available.
Pre-production checklist
- Confirm copy, ingredients, claims, net quantity and regulatory text with the responsible client.
- Use the approved dieline and preserve its scale and geometry.
- Check bleed, safe area, folds, cut lines, seals and glue zones.
- Check linked images, fonts, image resolution, overprint and spot colours.
- Proof barcode size/quiet zone and variable-data fields.
- Review a preflight report and approve the final proof before release.
- Archive a clearly named final file with version, date and approval status.
Artwork handover: request the approved dieline or panel drawing, print specifications, colour guidance, technical layer instructions and proofing procedure from the supplier. Never assume a generic template is production-ready.
Read the full artwork & prepress guide ↗05 / Common questions
Frequently asked questions
What bleed should I use?
Use the amount specified by the converter for the actual process and structure; there is no single value suitable for all packaging.
Should the dieline print?
Usually it is a technical reference and should not appear as an unintended printed line. Follow the supplier’s layer and output instructions.
Can I design first and get the dieline later?
Concept design can begin early, but production layout and final positioning should wait for the approved dieline and specification.
This guide is educational and is not a substitute for packaging engineering, product testing, food-contact review or current regulatory advice. Confirm applicable Kenyan and destination-market requirements with the responsible product owner and qualified specialists.
Need packaging artwork for this format?
Share the product, target pack size, filling method, reference images and converter specification. Briandcas can help scope the design and prepress requirements.