Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!
 
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Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!  

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(@inbox)
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Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

So trying to improve my print speed by using a HF 0.6mm nozzle in my Core One. Core One is networked so Prusaslicer can upload code directly to it.

As a process it is convoluted and painful, I did search for some guidance and from my search you are basically on your own.

I am at the point of just binning the Core One in favour of a Bambu printer just for the simplicity, the Core One is proving to be a frustrating PITA.

Posted : 02/12/2025 12:15 pm
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hyiger
(@hyiger)
Noble Member
RE: Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

 

Posted by: @inbox

So trying to improve my print speed by using a HF 0.6mm nozzle in my Core One. Core One is networked so Prusaslicer can upload code directly to it.

As a process it is convoluted and painful, I did search for some guidance and from my search you are basically on your own.

I am at the point of just binning the Core One in favour of a Bambu printer just for the simplicity, the Core One is proving to be a frustrating PITA.

I do it all the time. Remove the silicon sock, loosen the thumb screws, unscrew the nozzle, replace it with other nozzle, tighten the screws, replace sock. Takes less than 1 minute. 

Posted : 02/12/2025 10:16 pm
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FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

I guess it's just a rant but let's break it down into its components.

The physical aspect. As @hyiger explained, it's straightforward. Takes less than a minute.

Configuring PrusaSlicer. Now I can see how that can be frustrating.

First, you need to go to Configuration>Configuration Assistant>Prusa Research and add the Core One HF0.6 nozzle. Click Finish. You should now have the HF 0.6 nozzle under Printer>System Presets.

Next, you want to add that profile to your physical printer. Select your current physical printer. Click on the gear icon next to it and edit it. The key here is to discover the + sign next to the physical printer name. Click on it and select the HF 0.6 profile, which now gets added to the physical printer.

From there it's easy. Just swap nozzles and make sure you use the correct physical printer.

Could it be easier? Sure. I hope with PS 4.0 they rethink the inane approach to managing printer and print profiles.

 

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Posted : 02/12/2025 11:44 pm
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Koen Kooi
(@koen-kooi)
Trusted Member
RE: Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

 

Posted by: @foxrun3d

[...]Next, you want to add that profile to your physical printer. Select your current physical printer. Click on the gear icon next to it and edit it. The key here is to discover the + sign next to the physical printer name. Click on it and select the HF 0.6 profile, which now gets added to the physical printer.[...]

Thanks for that tip! I created physical printers for every nozzle I have and was very annoyed to redo all the prusalink/octoprint details. I wonder if this way I can share a start gcode where I change the motor current for my MK3s.

Posted : 03/12/2025 7:02 am
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Neal
 Neal
(@neal-2)
Trusted Member
RE: Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

 

Posted by: @inbox

So trying to improve my print speed by using a HF 0.6mm nozzle in my Core One. Core One is networked so Prusaslicer can upload code directly to it.

As a process it is convoluted and painful, I did search for some guidance and from my search you are basically on your own.

I am at the point of just binning the Core One in favour of a Bambu printer just for the simplicity, the Core One is proving to be a frustrating PITA.

Hi Anonymous INBOX:

I understand frustration, but you are not exactly on your own.  When google did not help you, there are two easy ways to get an answer:

1.  Post in this forum.   It worked, you got the procedure and tips, right?

2. Contact Prusa Support, which is pretty good, and will get you the details.

So, it *might* be a little dramatic to threaten binning the Prusa and buying a Bambu, just because your question and learning curve might require
either a forum post or a call to support services.  But that is just my opinion.  I understand. 🙂

Cheers,

Neal

 

Posted : 03/12/2025 10:36 pm
1 people liked
Inbox
(@inbox)
Active Member
Topic starter answered:
RE: Core One changing nozzle diameter 0.4 -> 0.6 - what a pain!

Firstly thank you for the responses as there is an element of a frustration, the Prusa/Core One experience has been less than trouble free and very over-priced, think Fiat Punto for Rolls Royce money.

I did use the Configuration Assistant but as pointed out by FoxRun3D, this assistant only does about 80% of the job and the rest well if it is documented I can't find it so is very frustrating and to me is a 3d printing 101 so contacting support for such a simple thing feels so over-the-top.

I will work through the advice as I need to clean things up a bit after my attempts at resolving it.

If Prusa read this, can I suggest they need a kick up the backside when it comes to usability and documentation, it is an investment but over the longer term it will save them money as support is used for real problems rather than ones they inflict on themselves.

And yes I do know there is no glory in dealing problems at the back end of a project.

Posted : 05/12/2025 11:33 am
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