How do I synchronise two motors?

General Discussion
1

Hey!

I’m currently building a 3D printer.

The 3D printer is built with two linear modules on the Y axes. Each of them uses a stepper motor, and they should work synchronously. Most 3D printers use two z axes. But I need 2 z axes and 2 y axes.
The motherboard only gives me the option to use two synchronous z axes (each of them has its own stepper driver), but there isn’t an option for two y axes. (As an example the Snapmaker Artisan has two y axes)

Now I wanted to ask here how I can control two stepper motors synchronously via the klipper firmware.

2

Actually quite simple: Define [stepper_y] and [stepper_y1] and Klipper is smart enough to realize that they belong to the same axis and need to be synchronized

3

Oh, I didn’t know this was possible. :astonished:

Thank you!