This ultra-compact mini whistle is designed for maximum efficiency with minimal material use. Weighing only 0.6g and printing in just 4 minutes, it delivers an impressive 100 dB sound output (measured via smartphone app). Perfect for emergency situations, outdoor activities, or as an everyday keychain accessory, this whistle ensures you have a loud, reliable alert system anytime.

Created to outperform existing designs on Printables, this optimized version provides a better balance between size, weight, and loudness. Ideal for 3D printing enthusiasts looking for a quick, functional print.

🔹 Model Print Time: ~4 minutes
🔹 Filament Usage: ~0.6g
🔹 Sound Level: ~100 dB
🔹 Attachment: Keychain-friendly

If you’ve found my models useful or simply like what I do, feel free to support me with a coffee ☕. Thank you so much! ❤

Also check out my other models on MakerWorld: 

Dual Micro Whistle

Micro Whistle