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Lanyard eyelet protector — image 1
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Lanyard eyelet protector

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Lanyard protector that prevents wear and tear on contact area with key ring

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Model information

License
Creative Commons — Attribution

I use lanyards to securely attach my key chain to belt loop. I soon was frustrated with the fact that the lanyard slides around and quickly frays in the process. To protect it from fraying, I designed a small protector, which snugly fits the lanyard loop. The width of my lanyard is ~13mm, but the model can be adjusted for different sizes, because the model was created in onshape and is parametrized with variables. The workspace can be viewed here.

Printing instructions

  • It's best to print with an elastic but tough filament. TPU with 40D or 90A hardness should be enough. Tough but brittle filaments may not work, since due to exposure to continued physical stress it can quickly crumble, so PLA is not recommended.
  • There is a small bridge segment, so your printer should be reasonably well tuned for bridging with TPU.