Taking a look at the modeled gear

Installing the FCGear addon in FreeCAD through the addon manager

Creating a new gear in your FreeCAD document
Switch to the Gear workbench and create an involute gear. The involute gear is the first icon. Like the one already created in the document tree.


Changing the number of teeth on the created gear
Select the created gear and change the number of teeth in the gear parameter seen under the Data tab.


Generating gears online without FreeCAD

Check out the Online Gear Generator for desktop.
Getting Started with FreeCAD
Jumpstart your first 3D CAD project with the open-source software FreeCAD and this illustrated step-by-step guide.

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