Never be caught unprepared with this Cylindrical Micro Whistle STL! Engineered for maximum portability and effectiveness, this life-saving tool features:
✅ Proven Acoustic Design:
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120-130dB output (tested frequency: 3.5-4kHz)
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Dual-chamber system for piercing sound
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Works even when wet/frozen
✅ Ultra-Compact Dimensions:
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25mm length × 12mm diameter
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4g weight (in PLA)
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Fits on keyrings, zipper pulls, or dog collars
✅ Print-Ready Optimization:
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No supports needed
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0.2mm nozzle compatible
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15-min print time at 0.2mm layers
Why Outdoor Enthusiasts Need This:
• Emergency ready – Audible up to 1.5km in open areas
• Multi-material friendly – Use PETG for durability or glow-in-the-dark PLA
• Perfect For:
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Hiking/backpacking gear
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Survival bracelets
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Lifeguard/police training
🖨️ Printing Pro-Tips:
• For loudest sound: Print at 100% infill
• For visibility: Use neon orange/red filament
• Bonus: Includes “Paracord Loop” attachment STL
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