I added some shrouds to promote decent airflow, and also added a "cap" at the top to unsure the fan doesnt slide off. uses stock fan screws for mounting. see added images from original thingiverse post for reference.

PRINT AS YOU WISH, JUST USE PET-G OR A FILAMENT THAN CAN HANDLE DECENTLY HIGH HEAT JUST IN CASE! SUPPORTS ARE OPTIONAL AND PRINT WITH 0.16 OR HIGHER QUALITY.