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Still don't understand initial vs bottom layers


Penguin_fach

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Posted · Still don't understand initial vs bottom layers

Using Cura 4.5.0

 

I have read and reread the explanation and tried to slice parts with various settings and this just doesn't seem to make sense to me. Logic suggests that initial bottom layers would be a subset of bottom layers so if I set up the following

 

Bottom layers - 8

Initial Bottom Layers - 2

Top/Bottom Pattern - Lines

Bottom pattern Initial Layer - Lines

Top/Bottom Speed - 40

Initial Layer Print Speed - 25

 

Then I would expect 8 layers to be infilled completely with lines with the first 2 at a speed of 25 and the next 6 at 40. This is not what happens. I only get two layers infilled with lines and printed at 40 then 30% grid infill starts. If I want 8 bottom layers filled with lines then both Bottom Layers and Initial Bottom Layers need to be 8 and they all seem to print at 25.

 

What am I doing wrong here?

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