3DPrinting

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Underextrusion at the start of first layer infill with Cura 5.2.2 (lemmy.world)

submitted 10 months ago* (last edited 10 months ago) by Hunex@lemmy.world to c/3dprinting@lemmy.world

5 comments fedilink hide all child comments

Hey fellas!

I'm having an issue with Cura, when printing the first layer the start of the infill is under extruded. The issue is not present with Prusa slicer. Also, in Cura the issue only happens when the nozzle has to move to the infill position without extruding (there is no retraction!!), Cura A in the picture. When the infill starts immediately after the walls there is no problem, Cura B in the picture.

With Prusa Slicer there is no problem even if the nozzle has to move, and in this case there is even retraction. Because of this, I'm thinking that it's a problem with a parameter in Cura, but I don't know which.

Printer is a stock (but not for long...) Ender 3 Neo.

I tried changing flow, line width, retraction settings, increasing initial layer bottom flow, but it's the same. What parameter would affect this?

Cura A preview ; Cura A gcode

Cura B preview ; Cura B gcode

Prusa preview ; Prusa gcode

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[–] dual_sport_dork@lemmy.world 2 points 10 months ago

I believe the option you want to enable in Cura is called "retraction extra prime amount." However, I don't know what a sane value may be for your particular printer.

[–] DreadPotato@sopuli.xyz 1 points 10 months ago (1 children)

Maybe some sort of Z-lift is enabled for transport moves and not printing moves?

[–] Hunex@lemmy.world 1 points 10 months ago (1 children)

Z hop is disabled, and there is no retraction based on the gcode and I was watching during the whole print as well. I will try printing with retraction disabled tho.

[–] DreadPotato@sopuli.xyz 1 points 10 months ago* (last edited 10 months ago)

Is there a reason you're not just using prusa slicer since that works and cura doesn't?

[–] tagginator@utter.online -1 points 10 months ago

New Lemmy Post: Underextrusion at the start of first layer infill with Cura 5.2.2 (https://lemmy.world/post/10665780)
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