Beadless Bead Whistle (vibration replaces bead)
thingiverse
Human experimentation: 4, 8, 12 way whistle creation. When blown with force, it produces a bead-like whistling sound. UPDATE: Added an 8-path whistle design, twice as large but requires half the effort to produce a loud sound. Further updates include revised designs for optimized printing, although I'm unsure if this affects the sound quality yet. Printing is scheduled to begin soon. https://youtu.be/U99K8iwKx0A https://youtu.be/5L--YUcsrg8 https://youtu.be/-gy_4iJrW6M
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