Mk7 fan duct
thingiverse
This dualstruder-compatible duct redirects air from the extruder fan, blowing it onto the nozzle for faster plastic cooling. This may improve bridge quality by enhancing cool down speed. After using a 3mm tap on top holes, disassemble and reassemble the Mk7 extruder, attaching the fan to the duct with two M3x16 bolts. Finally, print your creation!
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