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Lifejacket Zipper Head Replacement – NSRI Edition
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Functional lifejacket zipper head replacement for NSRI gear. PETG tested; Nylon CF recommended; no supports.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a fully 3D-printed zipper head replacement created for lifejackets used by National Sea Rescue Institute (NSRI) volunteers in South Africa.
⚙ Field Testing
- Tested Material: PETG — survived repeated salt-water rinse cycles and daily handling.
- Recommended Material: Nylon CF for superior abrasion and UV resistance.
- Intended Use: Volunteer gear maintenance / marine equipment repair.
| Setting | Recommendation |
|---|---|
| Layer height | 0.15–0.20 mm |
| Perimeters | 4 or more |
| Supports | Not required |
| Print orientation | Zipper channel perpendicular to layer lines (vertical) |
| Brim/Raft | Brim for PETG, raft for Nylon CF |
| Material | PETG (tested) / ASA / Nylon CF (recommended) |