Use the provider template, keep text readable, export at the recommended dimensions, and check the preview at product size before publishing.
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Design for the product you will actually sell.
Compare provider templates and product print areas before finalizing artwork.
Why screen quality misleads
A small image can look fine in a browser and still print soft on a sweatshirt or poster. The real question is whether the file meets the provider size and quality requirements for that product.
Providers usually supply print areas, templates, previews, and guidance. Use those instead of guessing.
Basic file checks
- Use transparent PNG when the product needs no background.
- Keep text thick enough to print clearly.
- Avoid tiny details on textured apparel.
- Check edges, placement, and safe areas.
- Use provider previews, then order a sample for important products.
Product-specific checks
A poster, mug, hoodie, and tote bag do not need the same layout. A design built for a flat poster may look awkward on a curved mug or across sweatshirt seams.
Before creating variations, check how the first file behaves on the real product format.
What to do next
Use Kittl for the artwork, then check provider templates on Printify or Printful before publishing. If the product is international or wall-art focused, also check Gelato.
Print on Demand Secrets recommendation
Design at the product level. Strong artwork plus weak file setup is still a weak listing.