Incomplete inner perimeter with 0.8 nozzle
 
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Incomplete inner perimeter with 0.8 nozzle  

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Andreas Elias
(@andreas-elias)
Member
Incomplete inner perimeter with 0.8 nozzle

Hi, I am trying to fix an issue I've been having while trying to print PETG with a 0.8 nozzle. I am using prusaslicer 2.6 with my ender s1 pro and I did not find any parameter that could cause this travel move behavior. I activated the "staggered inner seam" option but without this option the issue persists. The xray of the gcode does not show any defects that I can see. I hope someone can shed some light on how I can address this issue. Thanks

Gap in the inner perimeter


Xray of the perimeter

Incomplete travel movement

Napsal : 24/07/2023 3:10 am
Diem
 Diem
(@diem)
Illustrious Member

Check the design is completely concentric - even a computed centre can be off due to rational approximation of non-binary precision.

A clue to this cause is when the issue moves. or sometimes is fixed, by slightly repositioning the part on the bed.

Cheerio,

Napsal : 24/07/2023 10:22 am
Andreas Elias
(@andreas-elias)
Member
Topic starter answered:
RE: Incomplete inner perimeter with 0.8 nozzle

It shifts to where I place the seam so I doubt that is a problem related to the model. I activated the "staggered inner seam" option so it would not create a hole in the printed part, it kind of fixed the hole but it still makes the part fragile. I only noticed this problem when I started using the 0.8 nozzle, the 0.4 worked without any issues.

Napsal : 24/07/2023 1:53 pm
Diem
 Diem
(@diem)
Illustrious Member

I only noticed this problem when I started using the 0.8 nozzle, the 0.4 worked without any issues.

Of course; with 0.4 there is room for four perimeters and four micro-alignments so the problem doesn't arise.

Cheerio,

Napsal : 25/07/2023 2:26 pm
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