Obxidian Nozzle & diameter - general recommendation?
 
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Obxidian Nozzle & diameter - general recommendation?  

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Bastian
(@bastian-2)
Trusted Member
Obxidian Nozzle & diameter - general recommendation?

Hi there,

i'm using a MK4S and already ordered the MK4S-to-Prusa-One-Conversation KIT. I'm using the default 0,4mm CHT-Nozzle.

I'm not printing much - maybe 1-2 prints in 2 weeks, but with the Prusa One, i would like to print advanced filaments like ABS and such, that are abrasive. Also, in would like to buy a MM3, as soon as it's "compatible" for the Prusa One later that year.

For know, i would like to buy a new Nozzle, like the Obxidian CHT. I've read, that i should use a standard 0,4mm-Nozzle for the MMu3 (without CHT) - that is fine.

Could you give me some advice?

- If i use a Obxidian CHT-Nozzle; can i print normal filaments like PLA and PETG in the same quality like the standard brass-nozzles? Would i detect differences in quality, or something else?
- I'm printing mainly functional parts. Should i buy a 0,6mm Obxidian-Nozzle, so that the prints would be a little bit faster? Or is there a downside for this usecase?

Thanks in advance,

Bastian

Postato : 03/03/2025 10:40 am
_KaszpiR_
(@_kaszpir_)
Noble Member
RE:

I suggest reading through https://help.prusa3d.com/article/different-nozzle-types_2193 which holds answers to that questions.

See my GitHub and printables.com for some 3d stuff that you may like.

Postato : 03/03/2025 6:04 pm
1 persone hanno apprezzato
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Obxidian Nozzle & diameter - general recommendation?

- If i use a Obxidian CHT-Nozzle; can i print normal filaments like PLA and PETG in the same quality like the standard brass-nozzles? Would i detect differences in quality, or something else?

No you shouldn't. I can't see a difference. Having said that I use standard Obxidian, not CHT, as I found the speed gains from CHT to be minimal and not outweigh issues I have had with it.

- I'm printing mainly functional parts. Should i buy a 0,6mm Obxidian-Nozzle, so that the prints would be a little bit faster? Or is there a downside for this usecase?

Similarly, for most things I print I find the 0.6 mm nozzle to yield little speed improvement but visibly lower quality. I do use it occasionally for bulky items where quality doesn't matter but after having spent a long time juggling different nozzle sizes, these days I have pretty much settled on 0.4.

Obviously your mileage may vary considerably. 

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

Postato : 03/03/2025 9:52 pm
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