February 9, 2026
Description
XXXS super-mini emergency whistle for your keyring! Only 32mm in size. Only 4min print time. SMALL but LOUD!
Print a few of them and give them to your friends as emergency whistle.
Very small - only 32mm
Quick print - only 4min
Surprisingly loud
Looks good on your keyring
Nozzle: 0.4
Layers: 0.2
Infill: 100%
Perimeters: 2
External Perimeter speed: 20 (important!)
Bridging angle: 180° (important!)
Material: I recommend to use PLA or PETG (see below)
I printed this model using Prusa Prusament and got great results. See below for my recommendations.
Prusament PLA Blend Royal Blue
Prusament PLA Blend Ms. Pink
Prusament PLA Blend Lime Green
You are welcome to print this model for personal use. Please respect the copyright. Unauthorized reuploads are monitored and reported.
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License:
Creative Commons — Attribution — Noncommercial — NoDerivatives
prntmkr
