A fan is used for the housing cover Noctua NF-A9x14 PWM. the fan is designed for 12 V
I use the regulator from 24 V to 12 V. It is advisable to adjust the voltage using a multimeter before installing the regulators so that the voltage on it is 12 V, a board is used. Protection of LM2596. https://aliexpress.ru/item/33019098556.html?spm=a2g2w.orderdetail.0.0.6a754aa6sfdDtJ&sku_id=67155119813
It is necessary to install lifting legs for the printer to accommodate higher fans. I used https://www.printables.com/model/251195-anycubic-kobra-risers/
The author remixed this model.