Nguyễn Thành Dân

Nguyễn Thành Dân

I'm Founder of HowAICite

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Maker History

  • Drint
    DrintPackaging design software: dielines, 3D mockups, print files
    Oct 2026
  • Metal Mantra
    Metal MantraPublic evidence reports for AI agents
    Oct 2026
  • HowAICite
    HowAICiteSee who AI recommends for your buyers—and why.
    Oct 2026
  • 🎉
    Joined Product HuntSeptember 15th, 2026

Forums

<p>Designers: how do you get from a pretty mockup to a file the print shop can actually use?</p>

I m a packaging designer working with a print shop, and the same thing keeps happening: the mockup wins the client, then the file has to be rebuilt on a real dieline before it can go to press. Wrong bleed, RGB, foil on the wrong layer

I ended up building a tool for myself (Drint) where you design on the dieline and the 3D is that die folded, so the mockup and the print file are the same thing.

Curious how others handle this:

  • Do you design on the die from the start, or mockup first?

  • What breaks most often when your file reaches the printer?

Designers: what breaks most often when your file goes to print?

I ve been a packaging designer in Vietnam for years, and the print-shop handoff is still the part I dread most.

My top 3:

  1. Colors shift because the file wasn t really CMYK

  2. Foil / UV layers get mixed into the color file

  3. The box looks fine flat, but the artwork lands on the wrong panel once it s folded

What s yours? And how do you check before sending: physical sample, 3D mockup, or just hope?

Drint - Packaging design software: dielines, 3D mockups, print files

Drint is packaging design software in the browser. Pick a structure or a FEFCO / ECMA code, type the size, and design straight on a real dieline while the 3D mockup folds as you draw. Export print-ready CMYK PDF/X-4 with cut and crease lines, plus finishing files for foil, spot UV and embossing. About a thousand ready mockups for boxes, bags, cartons, cans and labels, in 14+ languages. Free to start.
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