Mount for a single 30mm fan on Raspberry Pi 4B.
Mount for three 40mm fans on BBT Octopus v1.1.
Requires:
Raspberry Pi:
4x M2.5 x 15mm standoff
4x M2.5 x6mm screw
Octopus:
4x M3 x 30mm standoff
4x M3 x 6mm screw
ADD TO printer.cfg
### fan overrides
[multi_pin controller_fan_pins]
pins: PD12, PD13, PD14
[controller_fan controller_fan]
pin: multi_pin:controller_fan_pins
The author hasn't provided the model origin yet.