Hesine M-505, Anet A8 - Center Nozzle Fan

by Arjjck, published

Hesine M-505, Anet A8 - Center Nozzle Fan by Arjjck Jun 13, 2016

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151777Views 31088Downloads Found in 3D Printer Parts


Centered Fan Nozzle

*Update 10.12.2016:

Thanks for all your downloads and prints, I am very surprised that so many people liked my design :)

On several requests i added a V2 version with a lesser angle on the back for better printing.

Have fun printing!

Print Settings

Printer Brand:



Anet A8






0.2 mm


100 %

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Made one and it works well with my a8

The v2 works good! Maybe a bit TOO good. Drops my nozzle temps about -20 Celsius (want to keep the nozzle around 223, it is 203 when the fan kicks on). All wires are solidly plugged in, anyone else have this issue?!

I printed this as my first successful print. Tried using it but I noticed my extruder temp would drop down to about 150 degrees. Is there something I have wrong with this?

Fits perfectly with my Anet A8. Thanks!

This was my second ever 3D print. No problems at all. It's a little bit of a tight fit to get it in the fan cover, but it does go. Better a slightly tight fit than a loose one that falls out. :)

What kind of plate adhesion should I use for this?

I have Anet A8 (bought Mar-2017) and printed part does not fit on the fan hole. My fan hole is 17x12,5mm but printed nozzle is 16,5x13mm so it does not fit. I checked dimensions on the models vs printed and seems OK. Maybe our fans are a little different....
I lost time and material but we are learning so don't worry ;)

Mine won't fit through the fan hole..

Interesting part, I'll be printing ones on a Formlabs resin printer when I get time on the machine, using transparent resin.

On my anet a8 this piece is scraping the print and making wierd noise when bumping.

Mine acutally printed in reverse. with the connector on the right instead of the left, any idea why?

actually, i see now that it is centred for the nozzle rather than the metal block. sorry. This is an amazing fan btw

brilliant made! Works and fits perfectly! thank you very much

Thanks,Printed perfect and seems to work perfect,,Thanks!

Jan 22, 2017 - Modified Jan 22, 2017

had to cut of one half of because of the heat it deformed and crushed my print.

take care and maybe use this instead http://www.thingiverse.com/thing:1954001

Semi-Circular Anet A8 Fan Duct
by lokster

Will this nozzle fit on a Anet a6 printer

Jan 12, 2017 - Modified Jan 12, 2017

Why does this say "Centered" when it's left-shifted like all the old Anet nozzles? Label this noise correctly! Some of us have blowers in the correct position. The last one I looked at that said "centered" was right-shifted. WTF people?

You're a bit of an ungrateful little pup. Maybe you should make your own design.

im making a remix of this to my 3d printer (custom).
what is the recomended distance between the tip of the nozle and the bottom of the fan duct?

btw i use version 2.

Jan 9, 2017 - Modified Jan 9, 2017

for the few of us with the warping, perhaps if there was a sort of spine/ridge along the top of the ring that ran back to the rectangular duct? and also perhaps either have no gap or have the gap opposite the duct.

If I print this with ABS, will it melt when I print more with ABS?

doubt it, primary heat source would be from radiation/convection from the hotend. ABS has a higher tol than PLA..

PRINT THIS IN ABS! I printed my first one in PLA and on the next print, it melted and I could not finish the print. I had to restart everything. PRINT THIS IN ABS!

Comments deleted.

Scusate ma che ventola avete accoppiato? e che supporto ventola avete stampato?potete indicare il link di dove prendere la ventola ?grazie

Parla in inglese! (a meno che tu sia un terrone, e quindi è già tanto che tu sappia l'italiano).

Good job ^^ Thanks !

Forgive my ignorance -- what fan is this attached to (not an A8 owner, considering adapting). Thanks!

there is a second fan on the print head, a snailshell shaped squirrel cage type for cooling the filament as it exits the extruder.

Comments deleted.

I printed mine but it has small holes in the thinner walls how can I fix that?

Hey, i experienced the same with the new Cura version. i have set a wall with 1.2mm thickness with a 0.4mm nozzle on my A8 - when i change the wall size to 0.39 it works fine for me.. maybe a little workaround but i will try to fix this in a while!

I found the problem, CURAs default PLA settings use a 2.75mm Filament but mine is 1.75mm so I changed it in the CURA settings and now it should work.

I had the same problem CURA set it on 2.80mm, I set it to 1.75mm it's working great now

Good find. I never even thought of editing the settings in Cura.

Comments deleted.

Just made the v2 one, works great and is a tight fit on the fan. Looks a little more chunky though, be warned ;)

Tip: print it in ABS because if you use PLA, when print ABS and your hotbed is at 90-100 °C, it will bend and touch the bed (ask me how I know...)

not entirely true statement :) What i mean is, when you print ABS - you dont need to cool the object so you just take the nozzle off while doing ABS.

You're right :) But for peace of mind, once you have printed it in ABS you can leave it always mounted :D

Just printing this on my A8 now :D Will share when done :) Thanks :)

I got myself an Anet A6 and i wanted to ask if the duct fits on this printer as well.

I would like to know this myself! I have an A6 as well and I'm very interested in this. Hopefully someone has tried it!

If my Printer arrives it will be the first thing i'm trying out. I will tell you if it fits or not.

That would be grand! Thank you!

improves print quality by a lot and fits perfectly
the only downside is that you cant see the nozzle printing...

so definitly a thumbs up!

Sep 4, 2016 - Modified Sep 4, 2016

Super design and function! There is only one drawback: The center nozzle obstructs most of the view to the printing object.

Yeah...downside of a cooling ring...I am printing in ABS now...so I don't even use cooling on my extruder...ABS is supposed to stay warm all the way up