Any ideas why this top layer issue is happening? A dramatic overhang that ive tried to solve in many ways but failed? Layers in slicer show normal evenness at the top layers. Ive tried pretty much everything up to my skill level.
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Hi, that looks odd. Is the model supposed to have straight vertical walls? Looks like they have a slight curve to them?
Im wondering if the model is cooling odd causing the walls to bulge meaning the top layer is offset. The head is printing in the right place but the layer below has moved due to shrinkage??
Thanks for taking a look at my post and responding. The tool head was bent from crashing into the poop shoot slightly. I replaced that and it printed better but still with the overhang on the top. Ironing is not on. When i (out of desperation) printed the object in bambu instead of orca, the model printed out quite well, with no overhang. Been using it ever since. Wish we could do a save ALL settings to a document. Its so many to export. with extrusion and filament ext
The problem is back. Well, never really went away. I’m going to try filament flow calibration. It’s a printed line break test, apparently. Thats what bambu support directed me to do. Im running straight Black Elegoo PLA. Millions of rolls sold, so its probably not issue, unless my printer flow is off in some other way.
I also use Orca Slicer and it has happened here too. Is it possible to overcome this issue by printing the outer walls first (wall_sequence: outer/inner)?
It was not wall order. I did try it. I think this is a bigger issue. Im dropping primitive shapes now with stock settings and getting a brim hanging out over my walls.
Considering that this is a rare failure case with rather unique characteristics, it may be helpful if you could paste your 3mf. There may be some setting that jumps out or maybe a kind soul is able to run a test. (My own printer is in the middle of a larger project lasting werks but you never know).
Alternatively, you could post your settings to help troubleshooting. You can use the profile comparison magic wand (In the “Process” line → far right) to make that easier.
Bambu support very kindly printed the 3mf i uploaded with the support ticket and found the same overhang on their print. So it IS settings for a fact. Im going to do a full delete and reinstall of bambu and orca. Hopefully this nails it. Thanks for the reply.
The evidence you just shared doesn’t follow logically that deleting the software and reinstalling will remedy your problem. If Bambu printed it with the same results, they are using a completely different install unrelated to your setup. That means the problem lies in the 3MF file or the model itself. Reinstalling the software is like amputating a limb for a stomach virus.
Have you tried to export the STL model and then start a new project? That would be a next logical step.
@droidxbrad Curious to know if you discovered what your issue was and how you fixed it. I have introduced the same problem with my current project. I am getting the same top lip protrusion on all of my current project prints and can’t seem to figure out why.
Congrats, you found a hard limit on this machine. The issue can be remidied. The solution to all bambu lab problems is PRINT SLOWER. Much slower. Like half speed if you have a problem. But also in this case check out your speed path and make sure its all the same speed appx(same color in the readout). That is the solution to the problem i bought another p1s to figure out exists for sure and then to solve. The best way to print slower is change your max flowrate in the filament setting your using, this way all speed settings are dialed down by percebtage automatically, suprisingly slowing down this number doesnt slow down print time super substantialy. But it does increase print viability substantially. I would love to know if the lidar on the x1c fixs this issue or not.
There’s only one way to find out for sure: try it.