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GEARS

Parametric spur gear

A true-involute spur gear defined by module, tooth count and pressure angle — the workhorse of any geartrain.

Parameters you can adjust

Module (mm)Tooth size — pair only with gears of the same module.
Tooth countSets the diameter and the gear ratio with its mate.
Pressure angle20° is the modern standard.
Bore (mm)Shaft hole — match your motor/shaft.