The Twin Turbofan 40mm - Ender 3 Pro Dual 5015 Fan Mount (Stock Hotend, 40mm fan)
thingiverse
Edited JoshLangsford's design to fit a 20x40mm cooling fan, as well as made the ducts removable to make it way easier to print. It's not perfect and it's a tight fit, but it does work and it's very minimal for a dual fan duct. The current design requires the ducts to be super glued to the main piece, which isn't ideal but I don't have the time or energy to improve it right now. Compatible with direct drive.
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