Steam Engine Whistle - Functional with sound

Bring the charm and nostalgia of vintage steam power to life with this functional miniature steam engine whistle. This meticulously crafted model replicates the classic sound and appearance of traditional steam engines, scaled down for ease of use and assembly. Built to function with blowing air. Each part is carefully crafted to ensure smooth assembly, but as not many printers are calibrated precisely, and for this model even 0.1mm error is bad you need to do some afterwork with sandpaper. Before printing this model you can check calibration with this model: https://makerworld.com/en/models/893695It's just few minutes print, and you will see if you need to make some adjustments. The model is optimized to be printed with PLA without supports. Make sure that your filament flow is calibrated!Make sure your printer is not over extruding, because cylinders in this engine must be printed very precisely to move freely.UPDATE! I added 2 additional sizes for Valve and Main Cylinder, so you