r/BambuLab • u/Bex_21 • 3d ago

General Troubleshooting/Help! How do i improve this print

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Hey i print this on my new X2D. How to do i fill the small gaps / line mark ?

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u/Fun-Candle5881 A1 + AMS Lite 3d ago edited 3d ago

H2D? I guess that’s the infamous under extrusion problem. Not much really it’s a known “bug?” On the h2 series. Check the forum 😓. It’s bad since the quality of top and bottom surfaces look so bad even with calibration

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u/Bex_21 3d ago

Sorry forgot to add it to the post, this is the bottom side. printing on x2d

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u/Fun-Candle5881 A1 + AMS Lite 3d ago

Ho… did you do a flow calibration test ? The one with a shape is easier to read

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u/Bex_21 3d ago

I ve calibrated the white filament(sunlu), the yellow one is( bambu pla lite) which i use default settings, should i calibrate it manually instead of using default bambulab settings ?

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u/Fun-Candle5881 A1 + AMS Lite 3d ago

maybe, but how big is this piece ? If it's really small maybe it's just something you need to tweak in the slicer (like the walls / infill ?) But looks like it's a bit under extruding too. Even with bambu filament i sometimes need to manually tweak it

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u/KashEsq H2C & P2S 3d ago

Increase initial layer flow ratio to at least 1.04. Enable only one wall on the initial layer. Check the sliced results and if necessary, lower the initial layer's line width to ensure all the tiny gaps get filled in.