Can Whistle

Excellent for gift, safety, serious music enthusiasts, and fun Quick to print, 30min on BambuFill with water to change frequency Frequency range ~360Hz to 900HzLow harmonic ~-30dbOptimized sound productionInside diameter ~53.6mmScale in slicer xy to fit other sizes. Percent= NewSize(mm)/53.6mm x 100 Interesting sound beverage can whistle.Designed in freecad Nov OctDesigned for fundamental and inhibit 3rd harmonic Caution: Inside top of can must be removed with blade can opener or other tools by an adult.Hot glue, epoxy , screw for permanent fixturing. Note: May not resonate with empty larger cans unless partial H2O filled or sound hole is made longer from current 8mm gap. Printing: Bridge direction must be set for across mouth piece pillars. Currently layer 20 of 50