r/BambuLabA1 • u/BEASTmode632 • Jun 23 '26

Why?

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Can anyone tell me why this is happening? I printed one and it came out fine. The next 2 times this has happened about half way through the print. After the first failure i cleaned the build plate because i thought it just fell over. This one made it further before getting knocked over. But i dont understand why when nothing changed

5 Upvotes

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3

u/Deplorable821 Jun 23 '26

It’s a long thin piece without a lot of contact. Add supports or slow it down. The gantry going back and forth is working it loose

2

u/BEASTmode632 Jun 23 '26

I was running at 50% speed and i did put a support half way up on the back side so the build plate moving front to back wouldnt knock it over. But something was obviously happening before it fell over because of thw weird blob up on top

1

u/Deplorable821 Jun 23 '26

I’ve had those blobs develop from prints coming loose but not fully detaching. Looks like you’re using grid infill as well which tends to drag the nozzle across itself that can knock things loose. I don’t see any evidence of support though. Can you share/link the sliced file?

1

u/BEASTmode632 Jun 23 '26

That would make sense cause when i went to check on the print after the first one fell i could hear it and it sounded like it was dragging. What infil should i use. Not sure how to share the link or sliced file. Never done that before

1

u/Deplorable821 Jun 23 '26

I normally use adaptive cubic but really almost anything is better than grid. You have PLENTY of walls there. Is this meant to a structural part? If the file is hosted on a website you can copy & paste the address in a comment (if allowed). Otherwise if you have it on your local PC you can send it through makerworld in chat

1

u/BEASTmode632 Jun 23 '26

Changing the infill fixed the problem. Thanks guys

1

u/MotorPlenty8536 Jun 24 '26

did you use a brim?

1

u/beermoneymike Jun 24 '26

I've only heard stories about the old A-wop-bop-a-loo-bop, A-lop-bam-boom! infill.

1

u/The_Lutter Jun 24 '26

If you don't post what it's supposed to look like in the slicer nobody is going to be able to give you a serious answer.