
Geeetech A20 120mm fan conversion and riser legs
thingiverse
Love my A20, but the howling of the board cooling fan was a real nuisance so I replaced it with a 120mm fan, now it's almost silent. The fan mounts directly onto two of the bottom cover screws, what great luck! All I needed were some longer M3 screws. Next, I had to create custom legs to lift the A20 off the table for better airflow and fan clearance. To reuse the rubber feet, I designed the legs so that you can screw them in directly or tap out an M5 thread if necessary. Finally, just a few short M5 screws held the legs securely to the base of my printer.
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