Any ideas as to what I'm doing wrong?
This sphere has a ridge on it, and I've had miniatures come out with the base to be slightly offset giving a bit of a ridge.
I'm using a Halot One, lychee Slicer, and Anycubic Water Wash resin.
That's just the foreskin.
Seriously though, if that happens on multiple prints, maybe there's something going on with the Z screw?
I've paused all the prints I've done (I've only had the printer for about a month), I'm hoping that's the issue. If not I'll definitely look into the z axis screw.
I'm not a resin expert, but that sounds pretty plausible. Good luck!
Pauses do weird things with 3D printing, though it’s generally better with resin printers, it will still suffer. Higher end models have ways of compensating, but will still see weirdness.
It’s generally a loss of precision/placement of the bed, and (on some faulty firmware) missed layers from the read.
This looks like it could be the latter, or potentially even both.
I’d definitely try again without a pause, and if it goes properly just avoid pausing moving forward. A firmware update wouldn’t be a bad idea either, if available.
I updated to the newest firmware before I started printing (I've only had it for a month or so).
I'll try without the pause, and then look into the z axis of that doesn't solve the problem.
It may be because I paused the print to check raft adhesion. I'll try some prints tomorrow without pausing.
Pausing a print usually causes me problems. I'm not sure why. Temperature, maybe.
That's what I'm beginning to suspect, other prints that have had ridges or offsets I paused as well.
Im pretty sure that you have that issue cause of the pausing then. I paused a print once, during one of my first prints, and after resuming it failed. So i just made it a thing to never pause prints again. It just messes with the print for some reason.
Does the preview have the ridge?
The preview does not have a ridge, nor was there one when I was supporting and slicing.
Are you printing this near the center of your print bed?
I suspect that the object is not fully peeling off the FEP film, but just pulling it up for some of the layers. When it eventually releases the print continues.
I think you should lift higher, maybe double it to 10mm, to make sure that it completely separates from the film every layer.
I generally have my lift set to 7mm, which should be enough. If it continues even if I don't pause the print, I'll give it a try.
I should add that I'm using rafts and lifting the prints 5mm.
That ridge looks like it’s part of the model. Can you confirm its not supposed to be there?
It's not supposed to be there, there was no ridge when I was supporting and slicing.
If it's in the same spot every time, it's very likely something wrong with the model. It's inexplicable when this happens, but it does sometimes. Could try a different sd card, doubt that will make a difference, but you never know.
To me, it looks too uniform and consistent to be something with the printer.
I had this issue on an fdm printer when the z axis was binding up. Bumping might do it too. But since you said you paused, I’m guessing that’s the culprit, not sure why though, maybe resume doesn’t take zoffset into account or something, maybe a bug.
I'm hoping that's the issue. I'll find out tomorrow, and if not then I'll look into the z axis.
So pausing the print appears to be the issue. I printed 3 minis today without pausing, and they all came out perfectly.
Thank you for all the responses!
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