How to force perimeter (wall) in one pass
 
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How to force perimeter (wall) in one pass  

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Alberto Farfugli
(@alberto-farfugli)
Member
How to force perimeter (wall) in one pass

Hi, I'm trying to print this model in the picture. You can see that the inner perimeter is subdivided by prusaslicer in short segments. In the example picture, the printer will print a short segment of the inner perimeter (orange), then infill (yellow), and then continue with the inner perimeter.

Since these are really small parts this behaviour leads to artifacts and holes, ar least on my printer. I would like to instruct prusaslicer to make the inner perimeter in one piece, one single extrusion line.

How can I do this?

Opublikowany : 24/04/2023 3:20 pm
FoxRun3D
(@foxrun3d)
Famed Member
RE: How to force perimeter (wall) in one pass

Hard to give good advice without seeing the 3mf project file (save it, compress it, then attach it to your post here), which contains the STL and more importantly, all your settings.

From the looks of it, I may try to add another perimeter or increase the extrusion width for perimeters a bit to see if that gets rid of the small areas of infill. 

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Opublikowany : 24/04/2023 4:19 pm
Alberto Farfugli
(@alberto-farfugli)
Member
Topic starter answered:
RE: How to force perimeter (wall) in one pass

Sorry, it was my mistake: the yellow parts are not infill, they are internal perimeter (I had set it to 4). I tried to lower the perimeters to 1 so that the inside is all infill, but the issue is still present. The forum doesn't allow me to attach 3mf files because of "security reasons".

Opublikowany : 24/04/2023 5:15 pm
Neophyl
(@neophyl)
Illustrious Member
RE: How to force perimeter (wall) in one pass

Yeah post the project as Fuchsr says for people to take a look at.  btw your terminology is off, the orange are External perimeters, the yellow are perimeters.  Infill is dark red, solid infill is purple and top solid infill is a lighter red.
Normal 'human' terms of inner and outer dont really apply to slicing, theres external to the model which uses external perimeters but could be entirely inside (think the inside of a hollow sphere) those are still external as far as a slicer is concerned.

That thin section is printed separately as its not part of any island and cant be printed in one pass as part of the other islands (at least with your current extrusion widths and settings).  It might be that it wont be possible to configure PS to do this with your geometry but we wont know until we can examine it and experiment with all the many various settings. 

 

Opublikowany : 24/04/2023 5:19 pm
jseyfert3
(@jseyfert3)
Reputable Member
RE: How to force perimeter (wall) in one pass
Posted by: @alberto-farfugli

Sorry, it was my mistake: the yellow parts are not infill, they are internal perimeter (I had set it to 4). I tried to lower the perimeters to 1 so that the inside is all infill, but the issue is still present. The forum doesn't allow me to attach 3mf files because of "security reasons".

Yeah, it's weird, but you must put it in a compressed zip folder to attach it. If on Windows, right click > add to compressed (zipped) folder. Then you can attach the zipped folder here.

Opublikowany : 26/04/2023 4:55 pm
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