Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

40 mm fan duct ring

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Published on May 31, 2012

Description

Update:
new funduct.stl has the holes that should cool the printing at 45 degrees.
Also added a big hole facing the upper part of the extruder.

openscad model. It may help to cool down the PLA already printed so it doesn't twist or rise.

Instructions

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Don't use it.

In my printer it made the extruder to overheat and to stuck the PLA.

This looks nice but 2 questions: 1) How does this attach to the carriage? I can't tell from the photos. 2) Which carriage/extruder setup are you running? Link to models if you can would be appreciated. Nice work though!

I figured out the mounting - i was using an old carriage w/out holes for the fan -

I understand the ring of holes blowing air down onto the printed material. I don't get the second ring of holes blowing air directly at the hot end. Is this a deliberate attempt to lower the nozzle temperature, which is what I expect it will do?

I thnk it is to cool the upper part of the extruder where the insulation.

Make sure you insulate your hot-end heating block and thermistor.

Would you kindly post the .scad please? This is exactly the sort of duct I'm looking for, but I'm pretty sure it's too long for Illuis's Greg's x carriage.

I just uploaded it.