Remix for 12" zhumell and different motor

This is a remix for a zhumell 12" and this motor:

https://www.omc-stepperonline.com/nema-17-stepper-motor-bipolar-l-48mm-w-gear-ratio-100-1-planetary-gearbox-17hs19-1684s-pg100

I still need a little improvement in the grip on the azimuth.