Design a part

ExamplesSpur gear, 20 teeth, module 2

Spur gear, 20 teeth, module 2

Spur gear, 20 teeth, module 2 on the print bed
The print preview of the built part. One square is 10 mm.

A 20 tooth spur gear, module 2, with an 8 mm bore

Material
PETG
What the tool did
A standard part: the involute tooth profile is computed from the module and the tooth count, not sketched, and the bore is the 8 mm asked for.
You can change the brief before you start.