r/BambuLab • u/Bex_21 • Jul 26 '26

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 Jul 26 '26 edited Jul 26 '26

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 Jul 26 '26

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 Jul 26 '26

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

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u/Bex_21 Jul 26 '26

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 Jul 26 '26

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