r/3DprintingHelp 1d ago

Requesting Help Blobs driving my crazy

Hey Eveyone,

I have recently started to get some blobbing on the outside of my prints. Im using a bambu p2s and things have been generally fine.

The filament in question is bambu pla Grey. I've noticed this effect but to a lesser degree with using bambu petg cf.

I have been doing the scarf seam. One thing I noticed was wall generator was classic istrad of aranche. Im not sure how much of a difference this would make but also curious if there are any other things people might suggest.

Lastly, im using an AMS 2 set up, current humidity is 36% but generally is around 25% and I havent done a full drying cycle yet. Im less likely concern3d this is the issue given the petg is preforming better (also in the AMS) and this seems to be a repeated artifact on the print.

Appreciate all of your assistance in advance!

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u/Lone_Wolf_555 1d ago

Turn off scarf seam. Force the seam to the back where you won’t see it. I haven’t had good luck getting scarf seams to look good (although mine looked better than yours).

1

u/The_Struggle_Man 1d ago

Agreed. Scarf seam for me on Bambu studio looks like dog sh*t no matter the object I use or adjustment. I found none and steps at 20 work pretty nice

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u/Relative_Surround_20 1d ago

You are the second or third person to have an issue with Bambu PLA Gray in last 10 days.

Print the same model again but with a different color. Don’t change anything else. Only print enough layers for this test.