120mm Exhaust Deflector (Exterior) for Venting

Updated with newer version that has rounded corners and a bit smoother surface set for airflow. Version 1 has held up fine thru two winters for me when printed of ABS.

This is a deflector for use in a 3D printing ventilation system, preventing water or gusts to blow directly into the exhaust overcoming a fan. It is low profile allowing for mounting in a screened in window.

Vanes start parallel to airflow, and turn to a 45 deg for supportless printing, and line of sight blockage. Airflow