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Question Inconsistent Layers


New member
Printer Model
Extruder Type
Cooling Type
My V0 prints great for the most part, however, I've noticed some inconsistencies in my prints that I haven't been able to fix and I could use some input. I have seen other people ask about seemingly identical issues, but never did see any follow up to say they fixed it.

I'm including a picture and I've circled in red the problem areas. On the cylindrical part, there are printed threads on the inside that seem to line up with the inconsistent layer lines. The printed the cylinder on the left and the block on the right are just basic shapes I printed to see if the problem would still be there, but it wasn't.

Hoping that someone has some suggestions on what to try.


Well-known member
Well, I would start by making sure the belts are tightened and have as close tot the same tension as possible.
Next I would probably rebuild the extruder. I know no one wants to disassemble but to me if everything is not perfect in the extruder you will see the issues in the prints. Take a lot of time to make sure it goes back together and everything is snug and fits just right.

One more thing, maybe you have a clog or slight clog. Make sure the extruder is clear or change the nozzle.


New member
I will check the belts again. I'm not happy with the process of using a sound app and trying to match the frequency. It's been very finicky for me.

I'm using the mini afterburner for my extruder. While I have seen many many people have problems with it, I haven't noticed any problems with mine. It has been apart a couple of times and I do try to pay attention as I put it together. One thing I am not too sure on is setting the tension of it. It is an LDO kit that had the short screw that I replaced with a longer one.

Doesn't seem to be a clog. If I print the same part, those inconsistencies will be in exactly the same place.

I was very tired when I made this topic, so I forgot to include some details.

I've had this problem from the beginning with this printer. It is mostly a cosmetic issue. Parts seem to all be dimensionally accurate. It does seem to have something to do with the geometry of the part being printed.

I followed Ellis' tuning guide. I can not remember exactly what slicer profile I started off using (it's been too long). I have tried to adjust speeds and temperatures with barely a noticeable difference.

I can't tell if it's a mechanical issue or a slicer issue.

I mostly print things with functional users and it's been great.


Well-known member
That's a tough one. I agree, I do not like using plucking to produce sound for something that requires tension. There is no way to be super consistent that I have found except tightening 1/4 or half turn at a time on each belt, and feel.

I know you said you have had the extruder apart but maybe reprint some of the parts. Judging by your description you have checked most areas that "should" effect it.
The reason I suggest the extruder is I printed my extruder 3 times in the last year and it was finally printing what I would call perfect.

Wait, you said if you reprint the inconsistency's are in the same place on the part? Try a different slicer, if you still see the errors, its the printer.

Lastly, what is the the Controller and Micro Controller you are using?


New member
SKR Mini E3 V2.0 and a Raspberry Pi 3B

I'm hoping to have time tomorrow afternoon to work on this. (Work does seem to get in the way.)

I've had this 2.4 kit sitting here for months just waiting on me to print the parts, but I want them to be really nice. Then I want to reprint all the parts (for a better color match) of my 0.1 and upgrade it to a 0.2.

Max Pickle

Hi Vork,

If we make some assumptions based on the clean prints
  1. Your rails are running smooth - you cannot feel any grittiness on them.
  2. You have dimensional accuracy and are not experiencing layer shifts so the belts check out.
  3. You have tried this with other (dry) filaments and the results are the same.
I'm a big fan of the Ellis guide and the first later/extrusion multiplier tests are winners for me but your prints would check out for me in those clean print tests.

So we are left with the more complex shapes causing issues. I think you said geometry seemed influence results.

Have you done pressure advance and resonance compensation? The resonance compensation graphs can sometimes point out unwanted oscillations which you can then track down. The smooth path of the simple shapes doesn't cause a problem but the more complex movements associated with the thread and V. cube could indicate something there?