This Tiny Emergency Whistle is a minimalist, ultra-light, and powerful safety tool that fits right on your keychain. Designed to be both practical and efficient, it produces a piercing 100dB sound that can be heard from a great distance—ideal for hiking, cycling, or urban safety.

Features

• Extremely Loud: Produces up to 100dB for reliable emergency signaling
• Lightweight Design: Weighs only 0.81g, perfect for everyday carry
• Fast Printing: Prints in just 5 minutes on most FDM 3D printers
• Compact Form Factor: Sleek, low-profile build that easily attaches to keyrings or backpacks
• No Assembly Required: One-piece print—no moving parts or inserts

Print Settings

• Layer Height: 0.2mm
• Nozzle Size: 0.4mm
• Material Recommendation: PLA or PETG
• Supports: Not required
• Infill: 100% recommended for maximum strength and loudness

Ideal For

• Outdoor adventurers
• Urban commuters
• Safety kits
• Everyday carry (EDC) fans
• Quick gift or useful print for friends