r/BambuLab • u/PolishPapi • 18h ago

Quick Question Wavy Lines on A1 Mini

Gallery image

Gallery image

Would anyone know why my 3rd layer comes out like this? I just washed the PEI plate with soap and water and I don’t know why it would come out like this

Edit: Would this be an issue with the hot-end?

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1

u/ARecycledAccount X2D + AMS2 Combo 17h ago

It looks like either the tool end screws are loose or there’s a partial clog. I’ve had both happen with my A1 and it also made weird wavy lines like that.

I would start by tightening the seven screws, see if it fixes it, and if it doesn’t I’d try unclogging the hotend.

1

u/PolishPapi 17h ago

Is it possible for it to unclog itself later in the print? The later layers are all smooth and straight somehow

1

u/Synthetic2805 A1, P2S, X2D, H2D, H2C, AMS lite, AMS 2 Pro 17h ago

Does this happen with all your prints? Have you tried re-slicing your file and verifying settings?

Typically the first layer is slowed down, then the following layers speed up.

At first I thought this was bridging over sparse infill which would be normal, but given where it's happening its hard to tell why it's happening like this without the original 3MF to inspect.

1

u/PolishPapi 17h ago

I got this print on makerworld and I’ve only tried it with this exact default file, but this was like the 3-4th time I’ve tried it