No ability to define 1 or 2 bottom layers
 
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Volodymyr Onyshchuk
(@volodymyr-onyshchuk)
Member
No ability to define 1 or 2 bottom layers

Hi!
Faced with a funny bug, I cannot define 1 or 2 bottom layers in the PrusaSlicer (2.7.0).

With 0 bottom layers in settings - 0 in slicer.

With 1 layer in settings - 3 in slicer.

With 2 layers - 3 in slicer

With 3 layers - 3 in slicer.

With 4 and more -  works as expected.

Posted : 05/12/2023 9:30 am
fuchsr
(@fuchsr)
Famed Member
RE: No ability to define 1 or 2 bottom layers

I can't reproduce this. Are you sure you don't have minimum shell thickness for Bottom set to a value that is at 3x layer height, which would explain what you're seeing?

Posted : 05/12/2023 12:11 pm
Volodymyr Onyshchuk
(@volodymyr-onyshchuk)
Member
Topic starter answered:
RE:

OOOOH! you are right! thank you 🙂 
But interesting that it still works for 0, minimum thickness ignored. 

This post was modified 3 months ago 3 times by Volodymyr Onyshchuk
Posted : 05/12/2023 12:27 pm
Neophyl
(@neophyl)
Illustrious Member
RE: No ability to define 1 or 2 bottom layers

I'd almost lay money on the minimum shell thickness being the issue.  By default its 0.5mm isnt it, which would translate to 3 layers at 0.2 to bring it above 0.5.

Posted : 05/12/2023 5:37 pm
Volodymyr Onyshchuk
(@volodymyr-onyshchuk)
Member
Topic starter answered:
RE:

Yes, you are right. Didn't face previously with this setting, always adjusted only number of layers, so was stumbled that it didn't work. 

Posted : 06/12/2023 9:33 am
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