I opened an stl file in Cura and tried to slice it at the .28 layer height profile and it came back with the “unable to slice with the current settings. The following settings have errors: small layer printing temperatures.” message. If I change it to a different profile it slices OK. I have never seen this before. Has anyone an answer for this.
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Hi there!
Thanks for reaching out! That certainly seems strange, would you be willing to upload the stl file so I can try to recreate the problem?
What version of cura are you using?
Thanks,
Matthew
HI @Loosenut
Within the slicer, there is a MIN and a MAX layer height value for the nozzle you choose.
The default on a .4 is a .26 Layer height, Recommened is 50% of nozzle width. they always give a little extra.
I would look for it, I will grab a screenshot for you but you can alter it and make it whatever you want. Just the default is a little conservative.
Darned if I can find it in Cura, I know its called something different but here is the example in Super Slicer.
Layer heights limits.
HTH Jason
Version 5.3
The Cura built in layer height for an Ender 3*** for low quality prints is .28, at least that is what mine is.
I find it strange that this is happening because I have used these exact settings many times before without any problem. I tried to upload the g code for this part but this site won’t let me, gcode is not an acceptable file format . Maybe I’m doing something wrong.
I looked for it also and could not find it either.
This made me go humm.
I don’t think in Cura 5.3 (didn’t bother looking at older versions) it has anything for this.
My extra fast profile, which I copied from theirs, and made some of my own adjustments to, looks like this using 0.3 mm:
Force it to 0.6 mm and this is what you get - the box goes yellow - no other error codes on screen though:
Also looked at the extruder settings:
Now, when I downloaded Cura 5.2.2, their CR10 Smart Pro profile was “experimental”, but, it doesn’t have that label now in 5.3.0, or, because I had 5.2.2 installed, 5.3.0 just slurped it in… your guess is as good as mine - I don’t feel like reverse engineering their installation process 
Some poking on the Ultimaker/Cura forum revealed you can set the layer height to 20 mm, and it’ll slice it. Can confirm, that works. Now, the value box is yellow, but no warning text is given for me. I know for a fact this isn’t printable, but you can do it, and hit slice, and it will do just that. Visuals are mildly interesting…
Does make one think think that they took that set of guard rails off.
DK
Thanks for your response,
Maybe try to zip the file up and upload it that way, alternatively you could upload it to the cloud and post a link.
Have you tried any slicer other than cura. It may help for you to test it on another slicer like prusaslicer and see what happens.
Hope this helps,
Matthew
The only way I know how to put something in the cloud would be to attach it to a helium filled balloon.
HI @dkerrivan
I agree with you on that one, Some interesting investigation there. Wonder if they have introduced a new bug?
I know in the past I have run into odd things like this in Cura that used to work and then all of a sudden didn’t. If I made a new profile for my printer, Copied the settings and sliced it in the new profile it worked.
I wrote it off to what I used to call a corrupt profile and deleted my original once I got it working. Sounds to me like something in the self-checks is not “always” triggering an error.
I will try renewing the profile and see if it helps. It isn’t a big deal I don’t use those layer heights much anyway.
Hi there,
You might want to try switching to an older version of your slicer, if the problem goes away then it is safe to assume it is some sort of bug in the newer slicer. If the issue still arises then its possible it might be something to do with the file or a setting in the slicer.
Hope this helps,
Matthew