The plate has moved, I will move it back and try again.
by the way, the glass plate clip system for the UM3 is not the best that could be imagined...
Especially, there is no lateral clamping at all...
This does not really look like a shift on the printed part.
Since you print with ABS (which is kind of difficult to print) can you give us some more information about your printing settings? Temperature, speed, etc...
I was using CPE and the default normal setting Cura V4 - 60mm/s speed default printing temp 240
Try to reduce fan speed to a minimum, I guess you have too much cooling.
And you should cover your front to keep cold air out.
Where can I find the fan speed in Cura
I haven't printed with ABS and CPE, but I did print several models with PET, which is similar to CPE, I think? If the model allows it and there are not too much overhangs, I always print PET *without any fan*, and slow (25...30mm/s). This gives best bonding to the glass, no warping, and best clarity. Never had any layers splitting.
For small models, I print PET on bare glass, or glass wiped with salt water. But for big models, I would rather use dilluted wood glue for PET. I don't know for ABS.
If the standard brim does not provide enough force to keep the edges of the model down on the glass, you could design a bit thicker brim in your CAD file for more stability. Sometimes I make a brim of 0.5mm.
Could be the filament swelling in the print core causing a temporary clog. Check the filament for grinding and the feeder for ground up filament. Check your print more regularly to catch the issue while its happening. Dry your filament. Or it could be poor layer adhesion caused by drafts. You need an enclosure when printing big parts especially with ABS.
on the picture, your glass plate looks shifted from the aluminium plate. Could it be that the clips get loose and the glass plate is moving on the side during the print ?
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