A video, 3D design and excel calculation sheet for making gear cutters and (helical) gears on the mill and on the lathe using the button method.
A YouTube video that shows how to make gear cutters and (helical) gears on the mill and on the lathe.
In the calculations folder there is an excel sheet for the calculations.
In the 3D design folder there is the FreeCad CAD file. In this file you find the design of the fly cutter and end mill style cutter.
In the 3D print folder is a stf file for printing a plate for testing gears.