Train Whistle

Uploading my "back catalog" to Prusa Printers! Hope you enjoy this design from 2018: 3D Print and build a four-tone train whistle! All parts fit together easily without the need for glue, and it sounds great. More information: https://dragonmountaindesign.com/2018/11/12/train-whistle Print instructions Some people have experienced issues getting all four tones to work. Rest assured success is possible. Printed on a Prusa Mk2s with stock settings - Nozzle: 0.4mm Retraction length: 0.8mm Lift Z: 0.6mm Layer height: 0.15mm First Layer height: 0.2mm Perimeters: 2 minimum Horizontal shells: 7 layers (top) 5 layers (bottom) Infill: 20% cubic pattern Extruder temp: 215C Bed temp: 60C