DuetWifi Cooling Bracket
thingiverse
These two "Channels fit under the DuetWifi. Each can have it's own 40mm fan. In my setup the fans are connected to the FAN2 connector and controlled by: M106 P2 L230 T40:65 H100:101:102 They will only turn on if Processor gets over 40 Celcius or TMC chips send overheat signal
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