If you know why this happens pls help. model Ender 3.
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There does seem to be a leveling issue (based on the difference in bed adhesion on the four pieces), but I’m kind of having a hard time figuring out what’s going on with the band that goes around the outside. Can you upload a screenshot of what this looks like in your slicer? And is this just one layer?
Also my usual left field advice of making sure nothing is stuck to the underside of your build plate, nor trapped in between the plate and the bed. I’ve gotten bit by that one before, as I have recounted several times. Tiny scraps of filament trapped in between, or whatever. That will cause high spots in unexpected places.
Bed leveling is the first suspect, but I would also make sure that the x gantry doesn’t wobble, moves smoothly, and is level to the bed.
Check the y axis to make sure there’s no wobble and the bed moves smoothly. Also make sure the rest of the frame is tight and square and the belts are tight.
Leveling can be a pain to get right on the ender3, but loose screws, flat wheels, ect will make it impossible.looks like not just leveling but possible warping of your print bed or z-wobble.
That must be the case. Even the prints have a minor shift, only visible on close inspection. I will check. Thing is that I have to refer youtube videos for that. But not many explains things in detail.
I have a digital dial indicator with a printed mount that just hooks onto my printhead.
thats the exact one I have.
it’s helpful in debugging issues like this and attempting to identify if the issues are with your printbed or your gantry.
if the issue is with your printbed surface, the dial will change greatly at seemingly random places across your printbed.
if the issue is your gantry, it will consistently change regardless of where its at on the bed in the y position. the x position will likely result in slop because thats the direction of travel for the gantry.
if you see problems on the y position travel, it’s likely an issue with your printbed track/travel. tension your belts or tighten any collars.
it can even help debug some z travel issues if you can get creative.
highly recommend getting one.
