K8200 PCB Fan Cooler

I had some trouble with the motor stepper drivers overheating during long prints.

They switch to emergency mode when they overheat, basically this means they disable micro-stepping and move only full steps.

This will almost always ruin the prints, since the cohesion along the axis is lost and the object will either look pretty bad or rip open during or after printing.

The fan I use is a radial 80mm fan from a PC with slot attachment. It cooled my graphics card 9 years ago. I simply remo