Exhaust Fan Duct for the XYZPrinting Da Vinci Pro 1.0 & 3-in-1

by ChatToBrian, published

Exhaust Fan Duct for the XYZPrinting Da Vinci Pro 1.0 & 3-in-1 by ChatToBrian Aug 17, 2016



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Improve your PLA prints by adding an Exhaust Fan Duct to the carriage of your 3D printer.

If you want to print PLA, your prints will improve if you cool the filament directly after it is extruded out of the nozzle. With this rack, that you mount on the carriage of your Da Vinci Pro printer, you can add 2 exhaust fans so that they cool your print by blowing air over your print.

Now you can print much larger bridges and overhanging parts with your printer then you can imagine. Only be aware of one thing, you must set your PLA extrusion temperature about 5 degrees higher then you are used to.

See the video for more details:

Print Settings


Da Vinci 1.0 Pro








Make sure to print 1 backplate and 2x exhaust fanduct double version 3.
You can print them all together in one run.

Also, make sure the two exhause fanduct double 3 parts are positioned on their sides, like I describe in my video. This makes the part much stronger.

Making it

This parts you must buy

2x Brushless fans, type 4010s, 5v 2 wires.

1x circuit braker switch
1x red LED 3mm
1x 220 Ohm resistor
4x 3mm screw (I used nylon) 20mm long
4x 3mm nut

Now make it

If you do not know enough about electronics, use a separate power supply and don't do what I did, tapping the power from the printer power supply.

at the negative side of the LED, mount a black wire, on the positive side of the LED solder the 220 Ohms resistor and mount a red wire.

From the power supply, connect the negative parts together. This means the black wires from the fans and the LED. From the positive side, make a red wire from the power supply to the switch. On this switch, solder all the red wires together so that the fans and LED turn on when you power on the switch.

Glue the 2 printed mounts to the backplate with super glue and mount all the bought equipment in the mounts. Mount the backplate in the printer with a simple tiewrap.
Make sure your cables are managed, and won't get stuck in the carriage. As you can see I made a second cable holder to the carriage.

Do me a favor, please...

I try to let my YouTube channel grow.
please visit the video on YouTube, subscribe to my channel and like the video.
This helps me a lot !!!

BREAKING NEWS as of August 9 2017
There is a remix of this design that can be used to use your printer with different types of fans. This remix is made by Shotgun_Banjo and is better then my design.
Take a look here: https://www.thingiverse.com/thing:2473400

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hi Brian, is possible to use this project with a ceramic glass on the bed? my glass is 4mm....

Hi Danybg,

I see no reason why it shouldn't work, so I think it's possible.
The only thing I don't know is how fast the glass will heat and if it will cool to much if there is a cold airflow over it.

Hi Brian,
I just add this fan remixed by CSD_Salzburg (using 5015 fans) to my davinci pro 1.0 with stock nozzle
I'm using simplify3D and when I send a print, temperature never arrived to the desired temperature (with fans turned on) always 10 degrees less
So I have to turn on fans after the print starts

How are you dealing with the fans ? What's your workflow ?
Do you have the sticking issue with the fans turned on from the beginning ?

Only when printing with other materials then PLA, I have to turn on my fans after I I've printed the first layer.
With PLA, I have no problem at all. My guess is that his fans are moving so much air, that they are cooling to much. That way, they also cool the heater block to much and the printer can't keep up with heating the block enough.

My fans were too powerful. Airflow is 15 CFM by fan. So I put fans into serie to obtain 6V by fan and have 6 CFMby fan. And finally the davinci pro is sending determine voltage to heat the hotend. That explain why the print never start. Determined voltage + airflow too powerful = never obtain the wanted temperature.

You're right, but using simplify3D it always miss 10 degrees.
If I want 200 C, using simplify3D control panel, it display 190C and stay around (print doesn't start)
If I want 220 C it display 210 C and stay around.
So It's looks like the power needed for heating is pre determined.
What do you think ? Da Vinci or Simplify3D issue ?

Hello Brian

Is it possible to connect to the wires that supply the original fan with power?

Not with the fans I used, because they run on another voltage.

Hallo Brian,

I've downloaded and printed your Fan mounts and they look amazing. Since i'm somewhat reluctant about tapping into the printer's power supply i decided to give it it's own. I found a nice 5v power supply i can use from the wall. I'm guessing the resistor is for the LED? If i choose not to use the LED then i guess the resistor is also not needed? I was also looking around for a switch but got a bit overwhelmed by all the different types and ratings. Could you direct me to the correct switch to use? Maybe a link to where i can find the right switch? Thanks in advance!

Are you using this fan setup with a E3Dv6 nozzle or the stock one?

Both actually. I have a printer at home that is stock and 2 at work that are E3Dv6, all having this fan duct.

So no issues with it blowing on the heat block then? Guess it could be just me since i went with bigger fans.

Comments deleted.

You better take a 560 Ohms resistor (Green, Blue, Brown with a Gold 5% mark) then.
This gives you 18 mA. over the LED.

Thanks. I figured it would have to be in the 500 range somewhere but wasn't 100% sure if my calculation was correct.

Hey brain..

do they fit also on my printer... i got the older version 1.0.

Hi Arfleming,
To be honest, I don't know.
I do think the carriage is the same size, but I don't have that printer to test it.