Replicator 2X Cooling Fan Duct
thingiverse
Experience an upgraded design with Revision 4 of this part! It features modified outlets that direct air flow downwards more effectively, away from nozzles. STEP and IGES file formats (R4) are available for download. To enhance cooling, a third 40mm fan can be added. Check out impressive before-and-after images at http://www.thingiverse.com/make:75635. This model hugs closer to the extruder carriage, avoiding front door hinge bolts, and is particularly helpful for PLA and ABS prints. Discover the Flash Forge version here: http://www.thingiverse.com/thing:259688. For printing instructions, use 0.2 layer height, 2 shells, and 15% fill without raft or support. Be cautious with bridging over ducts; try turning it off and changing the solid layer angle to 90 degrees. Don't forget to clear any "spaghetti" in airways and remove chrome fan guards (fan bolts are M3-10).
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