Quoted from PinMonk:CN9 is not the ticket connector. It's the dollar bill acceptor connector. Also these HA series fans here are only about 2/3 the airflow of the pinmonk kit you're copying.
I’ve used fans on my R/C car electric motors years ago to help keep them cool for optimal power. Using a fan to blow on a electric motor/coil has been around…so saying he copied you is a bit much IMHO. If you’re saying he copied/cloned your brackets then maybe you have the right to call him out and if that’s the case then I apologize for calling you out.