Colorful 3D Printed Products, Gifts & Custom Ideas

Tools & Utility Prints

118dB 3D Printed Whistle: Loud Safety & Sports Tool

The whistle actually has two slightly different tones produced at the same time by separate chambers on either side. The two different tones alternate between amplifying and canceling each other out. This variation creates the shrill sound that is more attention grabbing and does not get lost as easily over background noise to get you noticed in all conditions unlike a single tone whistle. The whistle has been tested at over 118db and will increase its volume the harder you blow. There are no mo

Tools & Utility Prints

3D Printed Whistle: Loud Safety & Sports Tool

3D Printed Dual-Tone Safety Whistle – Loud Sports & Emergency Tool Get noticed when it matters with this compact 3D printed whistle. Designed with two separate sound chambers, this whistle produces two slightly different tones at the same time. Those tones interact to create a sharp, shrill sound that stands out better over background noise than a basic single-tone whistle. Tested at over 118 dB, this whistle gets louder the harder you blow. With no moving parts to jam, it is simple, reliable,