Corner of print lifted up

What could cause the corner of my print to lift up and cause a failed print? I am using the Creality C4 M4. How do I stop this from happening in future prints?

It could be a number of things. The dynamics of the print could as well.

What material is it?

I am guessing pla. The z offset could be it but likely it is just print dynamics. I’d try a little glue stick. It likely will help. Make sure the bed is clean no oils. Alcohol will clean it.

Drafts can make it worse too but try glue stick first it is the easiest.

It looks like you tried glue stick?

Look to z offset, and drafts .

Clean the bed. I apply glue stick to a water soaked cotton ball then to the bed a tiny layer is all that is needed.

The file looks to have either open sides or lots of supports. Thy a different spot on the bed and or rotate the file.

Check the bed to see if it is flat creality had issues with badly warped beds.

What kind of bed plate PEI?

The flexible metal bed plate. The one that comes with the printer similar to the Creality K1 Max

Non-textured PEI. I had that happen so I put wider brims on and it is usually OK. Long skinny prints are the worst for peeling off, extra brims again.

Try to lower your fan speed to 5% - 10% on your 1st to 2nd layer. It will help adhere in your bed.

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What type of material?

PLA.

I printed it out again and it came out perfectly. I applied more glue stick further out on the PEI built tray and the print stuck until the end of the print job

Sometimes the gremlins strike and sometimes they don’t.