Carabiner ring on Nalgene water bottle TPU
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3D-printed ring carabiner to use with a Nalgene water bottle, and I made it using TPU
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Public Domain
Carabiner Ring Attachment for Nalgene Water Bottles – TPU 95A Version
A durable 3D-printed carabiner ring optimized specifically for TPU, designed to secure a Nalgene water bottle to backpacks, gear loops, or climbing packs.
Why TPU?
Unlike rigid filaments, TPU's inherent flexibility makes it extremely resistant to stress, impact, and repeated strain—making it ideal for demanding outdoor use. This design features tighter tolerances to work with TPU's elasticity. TPU 95A is the sweet spot: flexible enough to absorb shock, durable enough to handle consistent heavy use without failure.
Print Settings:
100% infill recommended for maximum durability and load capacity.
Performance:
This version significantly outperforms rigid alternatives (PLA, PETG) under tension and impact. Perfect for climbing, mountaineering, or any situation where reliability matters.
Looking for a lighter option? Check out the PLA/PETG/Nylon version if TPU isn't available or you need something for casual use.