Replacement fan and cable management for 500W 52mm spindle on MPCNC

I am using this spindle on my MPCNC:

https://www.aliexpress.com/item/CNC-Spindle-500W-Air-Cooled-0-5kw-Milling-Motor-Spindle-Speed-Power-Converter-52mm-Clamp-13pcs/32702579251.html?spm=a2g0s.9042311.0.0.4b524c4dvs86Ks

Due to my own stupidity and bad cablemanagement, while milling, the powercord touched the original fan, got stripped and shorted and even blocked the fan so it broke.
I needed to exchange it and so I had to model a new one. In addition to prevent it from happening again, I h