4/15/2023 0 Comments Geared music boxThe version with the 1-layer gap between fingers doesn't sound too hot (the fingers rub on each other) but requires no support. A sliver of an aluminium can can be a useful scraper to get inbetween. Some of the "fingers" will free up on their own, the others can be helped gently with the razor. Just wedge it in enough to hear a small crack all the way around. Next use a straight-edged razor to delaminate the two ring gears. The key is controlled force and repetitive small motions until it breaks free. I use a 5/16" socket to get a bit more leverage on the knob. Post-printing, free up the gears by turning the knob clockwise (due to the direction of the herringbone gears - less likely to break). Somewhat sensitive to bed level and overextrusion so dial your printer in with a tolerance gauge.ĭon't get your hopes up, I was somewhat disappointed by the acoustic properties of PLA but it's a nice little toy none the less. Print at 0.2mm layer height (check in preview that the 1-layer gaps are preserved when slicing). Not only does PLA not have a good "plink", the fingers won't survive long from being repeatedly plucked. I'd strongly suggest ABS or something with good fatigue resistance for this one. Musical calculations remixed from Parametric Music Box See it in action and in closer Model originally uploaded to Thingiverse at.
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