lego micro diff (compact & modular design)
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a 3 stud long differential using lego bevel gears with a replaceable ring gears (16, 20, 24 & 32 teeth)
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Building Toys
- Licencja
- Creative Commons — Public Domain
here is present you my micro lego compatible differential with replaceable ring gears.
use cases of this differential:
special gear reductions in gearboxes
differential for non-conventional/custom/compact types of transmission in vehicles
compact way for having a 2-to-1 gear reduction
currently this model has one housing part, and 4 ring gears (16, 20, 24 & 32 teeth).
this model is optimized for 0.4mm nozzle FDM printing. i recommend you to print this model with solid infill and with a 0.2mm layer height. Print with the gear champers on the printbed! No supports are needed.
because of tight tolerances you might want to drill out the holes with a 5mm drill bit.
designed in freecad, i used cura for slicing
UPDATE aug-2026: uploaded ALL freecard project files, same copyright applies