Survival Whistle

This whistle is printed in place with little to no post processing required. It can reach up to 115db (V4) at a distance of 150cm (59 inches), perfect for sports or camping.Print instructionsRecommended Settings:Material: PETGLayer Height: 0.15mmInfill: Gyroid, 15%Scale: 100% Print with the V4 / V5 logo on the bed for best resultsV4: Old version - Difficult to blowV5: New version - Much easier to blow and louder