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So it only happens with large objects that are close to the left side of the build plate. The top layer is AFU. The only thing I can think of is that is where the fan is, on the left side. But this print is only about a half inch tall, so the fan is never blowing directly on the print because the build plate is still well above the level of the fan. It is 10x6 in size but only a half inch tall. The rest of the top came out fine but the left edge is trash. Happened with multiple filaments. I even tried drying the filaments to see if that was it but no luck.

Any ideas?

So it only happens with large objects that are close to the left side of the build plate. The top layer is AFU. The only thing I can think of is that is where the fan is, on the left side. But this print is only about a half inch tall, so the fan is never blowing directly on the print because the build plate is still well above the level of the fan. It is 10x6 in size but only a half inch tall. The rest of the top came out fine but the left edge is trash. Happened with multiple filaments. I even tried drying the filaments to see if that was it but no luck. Any ideas?

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[–] • 1 pt

I had the printer set to auto level before the print so I don't think that is it. But yes, maybe some other calibration issue. I will run the calibration routine and try it again. Thank you.

[–] • 1 pt (edited )

Bambu's auto calibration might be a trap. By chance I came across this video a couple of days ago. Might be worth watching.

Edit forgot link, duh. https://www.youtube.com/watch?v=1iOH7GTwU0A

[–] • 1 pt

Bambu printer?

It should perform the auto calibration well. Ive had zero problems out of my bambu yet except the stupid fucking online garbage they push.

[–] • 1 pt

Yes, P1S. I ran a calibration on it before I left. I am going to see if that helped.

What kind of online stuff? I don't know what I did in my account but I have Bambu lab and Bambu studio and I don't get any stuff pushed at me.

[–] • 1 pt (edited )

.

Has caused all sorts of bad press. I am not happy with it either.

Examples. https://hackaday.com/2025/01/17/new-bambu-lab-firmware-update-adds-mandatory-authorization-control-system/ https://www.youtube.com/watch?v=91kfolYkRNM https://www.theverge.com/2025/1/21/24349031/bambu-3d-printer-update-authentication-filament-subscription-lock-answers https://www.youtube.com/watch?v=W6MybDJfmmY

As far as online shit. You had to go online to activate the printer... with an android or apple device. The above, shows they are working to make it worse.

I've also got a P1S and was considering adding a second. (todays print, on that P1S will take until tomorrow).