Safety Whistle Public Domain - Small

Compact safety whistle designed for free sharing and bulk printing. Suitable for hiking, camping, boating, scouting, running, and emergency kits.

Includes a single-whistle STL plus several 3MF build plate versions for common printer formats.

Suggested settings from the source include a 0.4 mm nozzle, 0.24 mm layer height, 2-3 Arachne walls, 100% infill, and no supports.