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STACKABLE 3D-PRINTED GEARBOX
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This stackable gearbox is designed to be 3D printed and modular. It connects to motors like the JGY-370 DC 12V 40 RPM, b
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Public Domain
- Retaining Plate • Connects directly to the motor using up to six M3 bolts.
- Housing Unit • Outer ring gear with 36 teeth. • Hexagonal exterior. • Connects with three M3 bolts per stage in an alternating pattern.
- Planetary Gears (3x) • Each has 12 teeth. • Driven by the sun gear, they rotate the output gear.
- Sun Gear • Central gear with 12 teeth.
- Output Gear • Connected to the planetary gears using three 8mm M3 bolts. • Driven directly by the planets.
- M3 Bolts • 8mm: Used for connecting the planetary and output gears. • 15mm–25mm: Used to connect housing sections and secure the retaining plate.
Note: Threads on bolts connecting the output to planetary gears must be stripped to allow consistent rotation and prevent loosening over time.