Strange transition due to change from perimeter to gap fill?
 
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Strange transition due to change from perimeter to gap fill?  

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Michiel
(@michiel)
New Member
Strange transition due to change from perimeter to gap fill?

Hello, I'm new to 3d printing and 3d modelling. 
I just designed a custom part for an Ikea lamp to hold the electric cabling and printed it in ABS.

In the finished print, there is an obvious transition in the outer skin. Which is there also in exactly the same spot at the second on I printed. 
So I decided to check my slicer-preview. And exactly at the heights of the visual transition, the slices shows a change from Perimeter to Gap fill.

I wouldn't have suspected that a type of fill change would influence the outer skin at all. 

Is this something that I could have set in PrusaSlicer, to prevent this, or should have changed something in the design? Any insights on this is much appreciated!

Best Answer by Neophyl:

Plenty of threads on the forum about this already. Several things you can adjust but it’s not a 1 stop fix all.  Best fix is to make your models use thicker walls if possible.

Alternatively you can adjust extrusion widths so it doesn’t need gapfill.
Remember that different settings can be applied to different areas using either layer height range or modifier meshes. 

Terms to search for (using google as the forum search sucks), bulge and buldge (yeah I know the spelling is wrong, blame the original poster). 

Posted : 19/10/2021 4:08 pm
Neophyl
(@neophyl)
Illustrious Member

Plenty of threads on the forum about this already. Several things you can adjust but it’s not a 1 stop fix all.  Best fix is to make your models use thicker walls if possible.

Alternatively you can adjust extrusion widths so it doesn’t need gapfill.
Remember that different settings can be applied to different areas using either layer height range or modifier meshes. 

Terms to search for (using google as the forum search sucks), bulge and buldge (yeah I know the spelling is wrong, blame the original poster). 

Posted : 19/10/2021 4:15 pm
Michiel
(@michiel)
New Member
Topic starter answered:
Thank You!

Thank you for your quick reply. 

I found the forum post you mentioned: Fixed the bulge, AKA buldge, problem that I was having

Changing the mentioned settings in this post gave a lot of interesting different slices. I'll try some more with them and reprint. 
Thanks for bringing this post to my attention!

Posted : 19/10/2021 4:28 pm
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