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SmartrapCore new slideX (V. 3.2) for 6 & 8mm rods, with 2 optionnal fanducts

by BrunoBellamy, published

SmartrapCore new slideX (V. 3.2) for 6 & 8mm rods, with 2 optionnal fanducts by BrunoBellamy Dec 10, 2015
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This is the new version of my slideX for the SmartrapCore (designed for my wooden box printer, but it will probably work just as well with the alu version), after http://www.thingiverse.com/thing:1001419 I made before…

I made several little or big improvements, mostly about cooling the hot end and the printing zone.

The main body part is available for both 6mm and 8mm rods, just pick the one for your setup.

You can also choose between two different printing zone cooling systems : one for a traditionnal fan, and an other one for a radial (turbine) fan. I suggest you try this last one, it might just blow your mind off… ;)

Update (V. 3.1b Dec. 22 2015) : because of some cooling issues, I had to redesign the hot end fan and Zsensor support, and the bottom part of the radial fanduct. It's also a bit easier to print, now. :)

Update (V. 3.2. 01/25/2016) : new fanduct bottom part (032b). It's smaller, more simple, and seems more effective, so it will be the replacement for the 031 version.

Update (02/08/2016) : added a 032d version of the radial fanduct bottom. It's an extension of the 032b one, with deflectors on the sides that help to keep the air flow focused on the printing zone while keeping the printed shapes of the air exit away from the hottest part of the hot end. I'm using this one now and it seems quite effective.

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What is the size & dimensions of the radial fan that this was designed around?

do you think this head will go with this hotend?
J-head Hotend E3D v6 that you can find in aliexpress?


I have no idea, sorry. See below, SYCO seems to have some experience about this.

I can confirm your one isn't right to use with E3D V6..
The extruder stays too high and the hot end/nozzle can't be inserted..
I'm trying the SYCO one, today I'll print it and report.

Ok, thank you Bruno I'll wait for it to arrive and then make some measurement..

I wrote you an email on my smartrapcore build

hallo wie ist denn der produktname von dem Radial lüfter, z.b. bei amazon ?

lg aus Köln

Nice design!
Does it work with the E3D V6?

Doesn't seem to, I have this on mine and I tried a china E3Dv6 copy and it didn't fit, but I managed to get it held in there by dropping it lower and it's been working fine figured it didn't fit because it was a copy, I just bought an E3Dv6 and it doesn't fit at all. I think this is designed for the Jhead hotend that the smartrapcore is spec'd with

Ah okay :) Guess i'll have to tinker something my self :P

I've redesigned it to take the E3D. I'll test it tonight and publish it if it works.


Looking forward to see it!

I just installed this last night, it is a little long for a E3D-lite6 as the fan shroud is large. I was able to have the shroud and head clip just above the bottom heatsink fin. Unfortunately I managed to crush the 40mm fan I had mounted while tightening the shroud to the head, whoops! I'll post pictures of the make later today I hope.

For what hotend is this ?
for the "Buse type Jhead" from Smartfriendz? E3D hotend?

Thank you for this design, I will be printing it out soon. For the radial fan, is the duct opening on your mount 15mmx20mm?

Yes, that's exactly 15x20mm. :)

Bonjour Bruno,

Reste plus qu'à modéliser un néma 14 dessus........

Looks great. But some questions:

  1. Does it print without support?
  2. Will PLA be okay for this print or is it going to be too hot for it during use over long time.
  3. Have you printed it? If yes some photos would be nice.
  4. Are you controlling FAN from slicer slic3r/cura? Your settings will help us a lot.

Thanks for all the good work you have done and for sharing it with us.

1) So far, all my designs can be printed with no material support. :)
2) I actually only print with PLA, never tried anything else.
3) I printed it and I'm currently using it, but didn't find time yet to make pictures. I'll do that ASAP.
4) The printing zone cooling fan is controlled with Cura, yes, and I'm still trying to find the best settings. The main thing is that, with the radial fan, it's extremely efficient… So much that it's actually TOO efficient, when using with my heat bed. So I guess it's important not to put the fan to 100%, and set Cura parameters so that it'll start only after some height so that the first layers will stick properly before cooling anything.