Trex-3 driver cooling shroud
thingiverse
OK, fan shroud for the Trex-3 to improve driver cooling recommend printing with supports to bed only it will print without supports but depending on your profile settings you might want to use supports anyway . I made a nut into the print to thread the bolt onto when you take the nut off you can not put it back on for the other hole fill with hot glue or tape it to the fan there is not hole in the case for a bolt . I recommend doing the spacing mod to the drivers to allow airflow to the bottom of the I.C. as well. There is a picture included here
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