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Ender 3 S1 Aux Cooling Triple 5015s V1

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Add extra cooling to your printer to help improve quality during bridges, overhangs, and fast speeds.
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updated June 10, 2023

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mr_idkgoogleit 10
mr_idkgoogleit
@mr_idkgoogle_1074013

I have the same printer and nozzle and looks like the same fan duct from Zuff, but still lacking cooling and by looking at your design this looks like the way.

Would you be able to add a angle to the fan ducts like you made in v3.3? This would save a lot of time printing :P

Also, could you maybe provide some more details or a sketch on how you connected the fans with your SBC and the Ender mobo with its Klipper config?

From what I gathered so far is:
- the 24v pins from Ender s1 (pro) mobo goes into DC +/-
- the fans are connected in series to the controlled device output of the mosfet board
- the mosfet signal pwm +/- is connected to one of the GPIO's on the SBC (rpi or orange pi)
-- 2 GPIO's needed; 1 for LED light and 1 for the fan speed control

But how to control it via Klipper, and would it be automagically usable in Orcalicer and it's aux fan option?

Thanks in advance!! (edited)

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Creality Ender 3 S1 Pro
mr_idkgoogleit 10
mr_idkgoogleit
@mr_idkgoogle_1074013

@mr_idkgoogle_1074013 I have found this reference: https://github.com/JackJack3231/V0-Auxiliary-Fan/blob/main/docs/firmware_slicer.md#klipper-configuration

Basically add this to printer.cfg and should work via GPIO13 in and be visible in Mainsail and usable in OrcaSlicer when naming it as aux_fan:

...
[fan_generic Aux_Fan]
pin: host:gpiochip0/gpio13
..

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Charlie Raes 5
Charlie Raes
@CharlieRaes_842176

Hi Boss,

Your work is amazing.

I have an S1 Pro and I'd first like to upgrade the cooling and then I want to get it running Klipper

Which Fans did you use (Voltage and link would be appreciated). Also where did you get the files for the brackets for the Axillary cooling fan?

Have you got any advice on what you would do if you were going to mod an Ender s1 from stock if you had to do it all again?

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Sixpack99 24
Sixpack99
@Sixpack99

@CharlieRaes_842176 Hello - Just normal 24v 5015 blower fans from Amazon will work. Honestly though, if I had it to do all over again, I wouldn't bother upgrading the Ender. At this point, just buying a Bambu P1P is probably the most cost effective path to go down. But if you just want to tinker, then check out my profile and the other models I have made. You'll want the aux cooling and also you should think about upgrading your hotend and extruder using the Xol toolhead. But it requires a lot of work, so be prepared.

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Charlie Raes 5
Charlie Raes
@CharlieRaes_842176

@Sixpack99 Thank you for replying to my questions.

I dislike Bambu as they extracts a lot of data from you which I believe is fishy and if I am innovating products I gotta protect the IP.

I also dislike they are trying to close source the printing world and stealing a lot of development from Prusa and others.

Their printers are brilliant and cost efficient but I do not value the ethics behind their company.

I already own the Ender and I wanna tinker a bit - I am not gonna go crazy modding it, I just wanna upgrade the cooling and get Klipper running on her so that it prints faster.

I also would like to beef up the Y-Axis stepper when it fails because it is too small and gets hot. I actually wanna cool it using a small fan placed at the back of the printer for now- got any advice how I could power it using the printers main board?

When I get some money together and when the Voron comes along a bit I'd like to build a custom core XY.

I will check out your other mods for sure.

Aux cooling upgrade is really needed because it is loud for no reason :'), which is the best fan for the hotend cooling? how powerful does it really need to be? I ask because I was thinking a smaller fan like the hotend fan on the Prusa, or should that also be a 24v 5015 blower?

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3DeezNutz 23
3DeezNutz
@3DeezNutZ

How fast did you print that clean benchy?

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Sixpack99 24
Sixpack99
@Sixpack99

@3DeezNutZ that one was done at 180. check out my 3.3 version which works even better!

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3DeezNutz 23
3DeezNutz
@3DeezNutZ

@Sixpack99 do you mean the 3.2?

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Urugut 15
Urugut
@Urugut_218611

would it be possible to put the STL files online?

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Sixpack99 24
Sixpack99
@Sixpack99

@Urugut_218611 Most slicers can use STEP files and they have better resolution, but sure I am happy to add the STL's also. It is done! Thanks for reaching out to me :)

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Urugut 15
Urugut
@Urugut_218611

@Sixpack99
THX :-D

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