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Interactive 3D model of Planetary Gear Set

Gears and transmission

Planetary Gear Set

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Bounding box
88 × 88 × 12 mm
Engine
3D Printing B-rep
Parameters
12
Published
November 7, 2026

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The prompt

Make me a planetary gear.

Parameters

NameValueRange
Gear module2 mm1 – 5
Sun gear teeth12 mm8 – 24
Planet gear teeth12 mm8 – 24
Number of planets3 mm3 – 5
Gear thickness8 mm4 – 20
Tooth backlash0.4 mm0.1 – 1
Ring gear outer radius44 mm30 – 80
Ring base plate thickness2 mm1 – 5
Carrier plate thickness2 mm1 – 5
Carrier plate radius30 mm15 – 60
Pin and post diameter5 mm3 – 10
Gear center hole diameter5.4 mm3.2 – 10

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Planetary Gear Set - Free CAD Model (STEP, STL) | TextoCAD