Built to Last: 3D Printed Keychain Settings
Keychains take a beating in your pocket. Here's how to ensure your 3D printed names don't snap.
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The Font Factor
For keychains, thickness is strength. While thin cursive fonts look great, they can have weak points at the connections. We recommend using a bold serif or sans-serif font from the NameSTL library for maximum durability.
"Always use the 'Base Plate' feature for keychains to provide a solid foundation for the letters."
Material Picking
- PLA+: The best middle ground. Tougher than standard PLA and easy to print.
- PETG: More flexible and heat resistant—perfect if you leave your keys in a hot car.
- TPU: Overkill for most, but makes for an indestructible, flexible keychain.
Recommended Slicer Settings
4-6
More walls provide much more strength than higher infill density.
5
Ensures a smooth finish and prevents the keychain from peeling apart.
Gyroid
Provides equal strength in all directions to resist bending.
40-60 mm/s
Slower speeds improve layer adhesion, making the part harder to break.
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