Steam Train Whistle
thingiverse
This is a 3D printed version of a wooden novelty toy that belonged to my son's friend. The sound it makes is unique with the 2 notes combining perfectly. Instructions This working prototype was printed on a RepRap Prusa-Mendel It2. Sliced with Slic3r 0.9.9 Layer height:0.25mm nozzle dia 0.35mm 2 perimeters 3 layers top and bottom 0.25 (25%) fill at 45° with solid fill threshold set at 5 sq.mm. The print time was 65 minutes and it took 14.7 cm3 of PLA. That's 2.4m of 3mm filament.
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