Sun 20 / Planet 20 4 · m1 — Planetary Gears

Full assembly — free engineering reference, an STL download of the whole part, and a live customizer.

3D render of a Sun 20 / Planet 20  4 · m1 planetary gears assembly, blueprint style, on white background
Sun teeth20
Planet teeth20
Ring teeth (sun + 2×planet)60
Planet count4
Reduction ratio (sun→carrier)4:1
Module1 mm
Pressure angle20°
Ring outside diameter68.5 mm
Sun pitch diameter20 mm
Planet pitch diameter20 mm
Centre distance20 mm
Face width8 mm
Customize this Gear →
This is a multi-part meshing assembly, not a single flat profile, so there's no SVG/DXF laser-cut pattern for it — only a 3D STL of the complete assembly, matching what the interactive generator itself exports.

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