Cooling Mod for Valve Index
thingiverse
This is my cooling modification for the Valve Index Virtual Reality Headset. You can control the fan speed for silent operation and optimal comfort (to prevent too much airflow over your eyes). The fans are Noctua NF-A4x20 5V PWM connected to a Noctua NA-FC1 fan controller. It replaces the frunk element of the Index. Alternatively you could also use Noctua NF-A4x10 fans (I chose the NF-A4x20 for their better air pressure value). I also made a single fan version for your convenience.
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