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Nextruder vs INDX  

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cyrusjk
(@cyrusjk)
Eminent Member
Nextruder vs INDX

I'm excited about the INDX as an addition to the Core ONE, but I also really like how the Nextruder works and is servicable and all that. As much as I am interested in the INDX, I need to know what the consequences of replacing the toolhead will be. It's not like you can just swap back to the Nextruder when you want. Issues like tuning and getting rid of VFAs would now be different, and as a third-party product, how can we rely on Prusa for the same level of support?

Posted : 19/11/2025 3:00 pm
Jürgen
(@jurgen-7)
Noble Member
RE: Nextruder vs INDX

I am sure we will be revisiting some teething issues which were already solved for the Nextruder. Maybe not VFAs, which seem to be produced by the (unchanged) XY positioning system, but e.g. bed probing and parts cooling. 

But the INDX will be supported by Prusa, who have played an active role in the hardware and firmware integration and will also sell this solution directly -- apparently starting in Q2. As we all know, that does not necessarily mean that things will go smoothly from the start. But that Prusa will do their best to fix any issues over time.

Posted : 19/11/2025 3:23 pm
1 people liked
hyiger
(@hyiger)
Prominent Member
RE:

 

Posted by: @jurgen-7

I am sure we will be revisiting some teething issues which were already solved for the Nextruder. Maybe not VFAs, which seem to be produced by the (unchanged) XY positioning system, but e.g. bed probing and parts cooling. 

But the INDX will be supported by Prusa, who have played an active role in the hardware and firmware integration and will also sell this solution directly -- apparently starting in Q2. As we all know, that does not necessarily mean that things will go smoothly from the start. But that Prusa will do their best to fix any issues over time.

I'm still curious why Prusa didn't (or couldn't) adapt the XL tool changer system to the Core One. After all, it's been out now for 3 years? I guess they couldn't get the price down to a reasonable level perhaps? The nextruder is large so I can imagine in such a scenario only being able to fit 2-4 tool heads but I would have been fine with that. 

The Core One should have been an "XL mini" but then there wouldn't have been a viable upgrade path from the MK4 I suppose.  

I'm also more interested at the moment in the 400C heat block than I am with the INDX. Obviously the two won't mix. 

Once I attach the INDX I guess I'll want to build a Voron style CoreXY that can work with the left-over Nextruder. 

This post was modified 2 hours ago by hyiger
Posted : 19/11/2025 3:56 pm
cyrusjk
(@cyrusjk)
Eminent Member
Topic starter answered:
RE: Nextruder vs INDX

The XL was using the best solution at the time, and I see the INDX as a few steps beyond that XL solution. It seems like a distillation of what actually needs to be swapped out (the filament path and the nozzle) from the consistent part (tool head, heater, filament driver, etc). Clearly, Bambu took a similar path with the H2C, but opted for a different (and in my opinion, slightly more complex and less flexible) solution. The technology has clearly advanced, and it would be cool to see an XL-sized system with an INDX-like setup, meaning more possible materials in the same form-factor.

Posted : 19/11/2025 5:07 pm
cyrusjk
(@cyrusjk)
Eminent Member
Topic starter answered:
RE: Nextruder vs INDX

The XL was using the best solution at the time, and I see the INDX as a few steps beyond that XL solution. It seems like a distillation of what actually needs to be swapped out (the filament path and the nozzle) from the consistent part (tool head, heater, filament driver, etc). Clearly, Bambu took a similar path with the H2C, but opted for a different (and in my opinion, slightly more complex and less flexible) solution. The technology has clearly advanced, and it would be cool to see an XL-sized system with an INDX-like setup, meaning more possible materials in the same form-factor.

Posted : 19/11/2025 5:08 pm
cyrusjk
(@cyrusjk)
Eminent Member
Topic starter answered:
RE: Nextruder vs INDX

The XL was using the best solution at the time, and I see the INDX as a few steps beyond that XL solution. It seems like a distillation of what actually needs to be swapped out (the filament path and the nozzle) from the consistent part (tool head, heater, filament driver, etc). Clearly, Bambu took a similar path with the H2C, but opted for a different (and in my opinion, slightly more complex and less flexible) solution. The technology has clearly advanced, and it would be cool to see an XL-sized system with an INDX-like setup, meaning more possible materials in the same form-factor.

Posted : 19/11/2025 5:08 pm
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