Objets

Envelope STL Files for 3D Printing

This collection gathers STL files for envelope-themed 3D printing, covering gift-card holders, foldable pouches, desk organizers and clips. You will find models suited to personal gifting, home storage and everyday use, including practical accessories that work on a standard 3D printer or resin system. Use it to compare shapes and assembly styles before deciding which file to download. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 09/10/2026


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À propos de la catégorie

«Envelope STL Files for 3D Printing»

Gift envelopes are usually closed containers sized for cards, cash or small notes, often with a flap or slot. Folding designs are printed flat and assembled by hand into a paper-like envelope, requiring careful alignment of the creases. Holders and clips are open structures meant to store multiple envelopes or keep them closed, while small tools like openers are solid, ergonomic pieces.

Check the author’s page for overall dimensions to make sure the model matches your envelope or card size. Look at whether the file is a single piece or multi-part assembly, and read any notes about layer height, infill or wall thickness the author provides. Photos of real prints help you judge surface detail and fit before you start the job.

If you need a specific function, try synonyms such as “letter holder,” “mail organizer,” “gift pouch” or “card sleeve.” You can also narrow results by adding terms like “foldable,” “wall-mounted” or “miniature” to match your printer’s build volume and your intended use.

FAQ

Questions fréquentes

Do envelope models need supports?
It depends on the geometry. Check the author’s description and photos of real prints to see if overhangs require support structures.
Can I resize an envelope model to fit a different card size?
Scaling the STL in your slicer changes the dimensions, but wall thickness and slot proportions will scale too. Verify the tolerances on the author’s page before adjusting.
What is the difference between a foldable envelope and a printed box?
A foldable design is printed flat and creased afterward, while a box or rigid envelope is printed as a solid form. The assembly method and print time differ between the two.
Which material settings should I check for envelope tools?
The author’s notes usually list suggested materials. Small tools often use standard PLA or PETG, but confirm the recommended settings on the model page.

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