
STL Source Files for 3D Printed Keychains
This collection gathers source files for 3D printing keychains: QR and tag designs, name plates, fidget keycaps, and parametric boxes. You can open the files in a slicer or edit them before sending them to a 3D printer. It helps when you want a keychain that fits a specific code, name, or switch. 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 14/10/2026
Par où commencer
Tous les modèles de cette collection

Simplified Tiger Tank
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🟦🟥🟨 Tetris Keycap Fidget Keychain (Custom MX Mechanical Switch)

QR Code Keychain Generator

Secret box keychain
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Customizable name keychain

QR Code Generator

Printed Micro-Hexapod (Plate and code)
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Mechanical Keycap Fidget Keychain Keyboard (Customizable)

ULTIMATE QR CODE-NFC TAG-FIDGET-SPINNER-FOB

DIY Mini Thermal Camera with Display
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App to create keychains

Instagram QR Code Keychain Generator

MakerScanner v0.3
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Housing for Keycam 808 #16 (Videocam R/C Gimbal) - OpenScad

QR Code Keychain Tag Generator

Storage box for Mitsubishi Pajero Pinin with source code
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Sacred geometry, Flower of Life, Seed of Life, platonic solids pendant, keychain, fridge magnet

Custom Spotify Code Keychain Generator (Free Web)

Parametric Sports Sight for Hot Shoe
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Ten commandments of 3D printing

Gerador de QR Automatico BR

Secondsight - Virtual Reality Headset, VR HMD
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Triangle to square pendant

QR Code or Logo Keychain Generator with NFC

Tea Caddy
Other Tails Medallion

Customizable Spotify Keychain / Tag

TTGO T-Display case
Old Tails Medallion

Letter Keychain Generator - Full parametric

Unicorn keychain

1-click customized Snapchat QR Keychain

TS100 soldering stand with tip cleaner

The code cracker

DIY QR CODE nametag !
![Customizable Spotify Codes [UPDATED 2025!]](https://cache.polyzon.org/api/img?url=https%3A%2F%2Fmakerworld.bblmw.com%2Fmakerworld%2Fmodel%2FUS7496fdb6bb4062%2Fdesign%2F2024-03-04_e62dc6b4d147d8.jpg&w=300)
Customizable Spotify Codes [UPDATED 2025!]

Vorpal The Hexapod Walking Robot

Web Developer Keychains

Lenovo Legion Go Controller Connector

Customizable Player Keychain with Spotify Code

shopping cart euro coin key chain

NFC - QR - Spotify Code Keychain

Tyler, The Creator Spotify Code Keychains

Keychain

Star Wars: Rebellion token tray
«STL Source Files for 3D Printed Keychains»
Keychain source files often fall into a few groups: scannable codes and tags, text or name plates, mechanical keycap fidgets, small storage boxes, and geometric or logo pendants. Code-based designs usually need a flat face for a QR or NFC element, while name plates depend on the font and letter thickness. Keycap fidgets combine a keycap shell with a moving part, and parametric boxes or enclosures are built from editable dimensions.
When choosing a model, check the size and scale first, then the number of parts and whether assembly is required. Look at the author's notes for the material and settings they used, and for photos of real prints to judge surface details and tolerances. For keychains that clip to a ring, the hole diameter and wall thickness matter more than overall shape.
To refine the search, try synonyms such as key fob, tag, pendant, or charm, and combine them with terms like parametric, OpenSCAD, or customizable. Related topics include QR code generators, name plate scripts, keycap fidget designs, and small box enclosures. If a result is too broad, add a material, a switch type, or a shape word to narrow it down.
Questions fréquentes
What file formats are used for keychain source files?
Can I change the text or code on a keychain model?
What should I check before printing a keychain?
How do I find similar keychain models?
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