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FalmouthLouis

Can one control the air gap between lines?

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In the academic literature about the strength of 3D prints, there is some debate about the importance of narrowing the air gap between the lines of filament.

 

I can't see anything in Cura's preferences which would allow me to control this. Am I missing something?

 

As a matter of interest, if one takes the default settings for printing with a .4mm nozzle, what kind of gap is there between the lines? If I reduce the width of lines, which does seem to be permitted, the gap between lines will presumably increase. What would happen if I increase the line width from the .35mm default setting nearer to .4mm? Can I assume that any air gap will be reduced?

 

(This is for a project, which I've mentioned elsewhere, where we will be doing tensile testing on 12-14 variants of a standardised test specimen. I'll report back on the findings when they come in)

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