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NEMA17 Planetary ratio 3.6:1 — image 1

NEMA17 Planetary ratio 3.6:1

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Planetary gearbox to convert 400 step motor to have 0.25deg/step instead of 0.9 deg/step

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Model information

License
Creative Commons — Attribution

Printed with Voron 2.4, 0.2mm nozzle and 1.5mm layer height.

Carrier plate has convinient hexagon for modular connections if your use case needs something different.

Assembly requires 8 countersunk M3x8mm screws and 4 M3 nuts.

Needs ~4mm spacer between gearbox and motor, else motor shaft collides to carrier.
You can print 2 "GearboxCovers" and use another as spacer.