Brim removes support 1st layer on internal features
 
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Fosphor
(@fosphor)
Member
Brim removes support 1st layer on internal features

0.0mm Brim 1.0mm Brim 1.5mm Brim 2.0mm Brim 3.0mm Brim 4.0mm Brim 5.0mm Brim

When I use a brim, it seems to be removing the 1st layer for generated support structures. It keeps the actual supports, but without a 1st layer, they are printing in space and the print fails. I have to use a minimal brim in order to get the smallest amount of 1st layer for supports so they stick to the build plate. Pictured above are the 1st layer paths as brim is increased from 0-5mm. Outer brim only is enabled, but you can see that where (I assume) inner brim would be, the support layer is disappearing as the external brim is increased. Is this a setting issue that I'm unaware how to configure, or is this a bug that needs to be addresed?

Thanks in advance for any help.

Best Answer by Neophyl:

Thank you for the file.  I'd say 100% a bug.  Needs reporting over at the PS github, https://github.com/prusa3d/PrusaSlicer/issues , just attach the same project file zip just like here.  Basically they need the same basic info for an official bug report.  

Posted : 28/11/2023 9:04 am
Neophyl
(@neophyl)
Illustrious Member
RE: Brim removes support 1st layer on internal features

Please post your project file (zipped up or the forum won’t attach it )

we need it to diagnose issues. Also you haven’t stated what version of Prusa slicer you are using or the OS. 

Posted : 28/11/2023 10:14 am
Fosphor
(@fosphor)
Member
Topic starter answered:
RE:

GIFT BOX 12-PNP Lid

Here's the project file for the issue I'm describing.

Some more details:

Version: 2.7.0+win64
Build: PrusaSlicer-2.7.0+win64-202311231457
Operating System: Windows
System Architecture: 64 bit
Windows Version: Windows 10 (build 19045), 64-bit edition
Total RAM size [MB]: 68,426MB

This post was modified 3 months ago 2 times by Fosphor
Posted : 28/11/2023 10:30 am
Neophyl
(@neophyl)
Illustrious Member
RE: Brim removes support 1st layer on internal features

Thank you for the file.  I'd say 100% a bug.  Needs reporting over at the PS github, https://github.com/prusa3d/PrusaSlicer/issues , just attach the same project file zip just like here.  Basically they need the same basic info for an official bug report.  

Posted : 28/11/2023 12:37 pm
Fosphor
(@fosphor)
Member
Topic starter answered:
RE: Brim removes support 1st layer on internal features

Done. Thanks for the guidance.

Posted : 02/12/2023 10:38 pm
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