fidget gear ring with 2-toothed planet gears
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A print-in-place herringbone planetary gear fidget ring, but the planet gears have only 2 teeth...
- Ocena
- 4,75 / 5
- Polubienia
- 44
- Pobrania
- 507
- Wydruki
- 4
- Wyświetlenia
- 1583
- Oceny
- 4
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Toys & Games
- Licencja
- Standard Digital File License
I have made planetary gears with 4-toothed planet gears… I have made them with 3-toothed planet gears… (see my collection) and now with planet gears that have only 2 teeth! Their movement in perfect unison is quite mesmerizing to watch. I also made a somewhat matching knurling on the outside.
These and the other fidget gear rings are quite nice when your fingers need something to fiddle with. they are also quite compact and can even be on your finger while doing something (I have one on my finger while writing this and fumble with it while thinking about the next words). I got feedback from people with ADHD who love these as stim toys.
Printing:
The 3mf files are split into 5 parts for multi-color printing, coloring only parts 3 and 4 differently results in only 4 color changes, which reduces waste and can be done manually without filament changer.
- the sun gear (inner ring)
- the main parts of the planet gears
- the lower 0.38mm (two layers) of the planet gears
- the upper 0.38mm (two layers) of the planet gears
- the outer ring gear
General settings:
- I use 0.4mm nozzle and 0.17mm layer height
- random seam placement
- a bit of elephant foot compensation (say 0.2mm)
- I prefer NOT only one perimeter/wall on top layer
- 3 walls
- I also usually paint seams on the inside into one of the turn tool slots.
- Good bed adhesion is essential due to the small footprint.
This model requires a well dialed-in printer and filament combination; depending on these and the settings, the gears may
- rotate freely and quite smoothly right from the plate,
- need some force to break free,
- need some minutes of breaking in to run smoothly,
- be totally fused together.
If you have problems with fused gears:
- use force; if it breaks it wasn't usable anyway.
- try a different filament; some (like silk) are more prone to ooze and fuse than others.
- try reducing the extrusion multiplier/flow ratio a bit
- try a slightly negative XY size compensation (e.g. -0.02)
(OrcaSlicer: negative for contour, positive for holes) - try printing outer walls first
- try reducing acceleration and speed
- try reducing the temperature
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Have fun!