Units
Thickness
mm
Tooth Size / Module?
Bore Diameter?
mm
Fit Clearance?
mm
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Generate internal ring gears with matching pinions for gearboxes, mechanical models, laser-cut prototypes, CNC projects, and educational gear assemblies. Customize ring teeth, pinion teeth, module, bore diameter, ring wall, mount holes, labels, and export fabrication-ready SVG, DXF, or STL files.