Creating precise involute Spur Gears using Excel and Autocad.
Importing the profile data into Inventor to generate extruded spur gears.
The tutorial should explain how to generate gear profiles using excel.
First Download and open the Excel spreadsheet "Gear Calculator" attached.
You can find all tutorial graphics in the RAR file.
You can see an example here:
15 Tooth & 18 Tooth gears meshing
Robert Wozniak used this method to produce 3D printed gears here: