Heater Fan Ducts
thingiverse
A PTC heater block bought from AliExpress used for 3d printer chamber heating needed mounting and airflow management. The inlet shroud and stand manages airflow turbulence and provides a free air path. The outlet shroud improves airflow for the heated air. The inlet and outlet together nearly double the airflow from the bare heater block. This is important to lower the temperature of the exit air and ensure the heater operates at maximum power. PTC heater block: https://www.aliexpress.com/item/1005001891297046.html Airflow design reference: https://www.fantech.com.au/Content.aspx?ContentID=L5#1
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