3D preview of Two-Stage Spur Gearbox
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Interactive 3D model of Two-Stage Spur Gearbox

Gears and transmission

Two-Stage Spur Gearbox

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Bounding box
106 × 50 × 34 mm
Engine
3D Printing B-rep
Parameters
15
Published
November 3, 2026

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The prompt

i want a full gear box like in that image

Parameters

NameValueRange
Gear module2 mm1 – 4
Gear thickness8 mm4 – 16
Input pinion teeth12 mm9 – 40
Idler gear teeth20 mm12 – 60
Idler pinion teeth12 mm9 – 40
Output gear teeth20 mm12 – 60
Wall thickness4 mm2 – 8
Floor and lid thickness3 mm1.5 – 6
Gear-to-wall clearance3 mm1 – 8
Gear-to-lid clearance3 mm1 – 8
Lid screw hole diameter3.4 mm2.5 – 6
Shaft diameter6 mm4 – 12
Bearing clearance0.4 mm0.1 – 1
Shaft cap diameter12 mm8 – 24
Shaft cap height5 mm3 – 12

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.

Two-Stage Spur Gearbox - Free CAD Model (STEP, STL) | TextoCAD