Ender 3 Fan Duct

Ender 3 Fan Duct Insert for the secondary fan. Not happy with stock fan duct as far as bridging cooling, so I made an insert for the secondary fan with 5X 45 degree duct pipes to focus the air to the print instead at the hot nozzle or the hotend block. In addition, the main fan when on, blows a lot of air across the hotend toward the X axis rail. I add fins to the Insert to block and direct some of those air downward.

I am trying out printing with PETG filaments and .6 mm nozzle. I am ha