Replicator Cold Air Intake Kit (no cutting)

by f4ichuck, published

Replicator Cold Air Intake Kit (no cutting) by f4ichuck Dec 10, 2012
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This kit redirects the motherboard cooling intake to the side of the machine to draw in cool air instead of warm air from inside the printer. This works with the $15 Replicator Enclosure. Or, optionally download the manifold with no flange for a cleaner looking intake port.

Hopefully this will save some voltage regulators from failing.


  1. Print out the manifold and duct with supports and carefully remove the supports from inside the manifold with needle nose pliers.

  2. Use a file to widen the intake manifold slots until it is big enough to fit in the Replicator corner window.

  3. You may have to use diagonal cutters to remove a notch from the fan duct where it meets the triangular hole in the replicator floor for cable clearance.

  4. Use your "print remover" to loosen the double-stick tape used for the Y-axis cable guide and reposition it about 1 inch higher.

  5. Install the intake manifold.

  6. Remove the Replicator bottom cover and remove the fan bolts. The fan stand-offs will not be used.

  7. Re-install the motherboard fan using the new fan duct.

  8. If you are using the $15 replicator enclosure, you will have to cut a notch to match the slots in the intake manifold.

I uploaded a no flange version of the manifold for a cleaner look. If anybody has any suggestions for modifications, let me know and I'll see what I can do.

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Fits like a glove. Could really use some longer screws and rubber grommets to reduce noise caused by vibration from the increased contact with the fan housing. I'll look into it.

Just made a copy. Fantastic upgrade! Bravo!

You are so creative! I was just about to do surgery on my replicator until i saw your mod!

Glad it is working and you are using it.  Thanks for the datapoint.  I didn't have any way of measuring how effective it would be.  I just assumed that any air coming in from outside would be better than air drawn in from the build chamber.

Pointed my infrared thermometer into the duct inlet, showed 24C versus 40C inside the enclosure. Cool.