# Rough layers

**URL:** <https://forum.lulzbot.com/t/rough-layers/458>\
**Category:** Filament\
**Created:** [February 6, 2014, 2:15am UTC](https://forum.lulzbot.com/t/rough-layers/458 "2014-02-06T02:15:15Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![2con](https://avatars.discourse-cdn.com/v4/letter/2/22d042/32.png) [@2con](https://forum.lulzbot.com/u/2con)\
**Post date:** [February 6, 2014, 2:15am UTC](https://forum.lulzbot.com/t/rough-layers/458/1 "2014-02-06T02:15:15Z")

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When I print I often find my bottom layers spaced apart from on another.  
I also find that it is not printing filament when it should. It will miss a few lines on every print every now and then.  
Some of the layers appear very rough and I’ve gotten burn marks.  
It has been cold here lately and my printer is the basement. The filament is the same spool I got with the printer in December 2013. I’ve looked online and something similar says that it could be bad filament, but i wasn’t sure. I have heard “popping sounds”…  
Could it be the tension on the filament drive? My hobble bolt bearing makes a high pitch sound when its traveling. I don’t know if i’m just me or if i’m noticing sounds now that I’ve had a couple bad prints.

Is this hard on the printer?  
  
  
TAZ 2  
Im using slicer fast-auto support profile with a  
.stl file using abs

- the only slic3r setting i changed this time was my exact filament diameter (2.7mm). my nanometer does notread 2 decimal places.

I have attached 3 images  
[http://imageshack.com/a/img571/8476/q26i.jpg](http://imageshack.com/a/img571/8476/q26i.jpg)  
[http://imageshack.com/a/img35/7106/3yi9.JPG](http://imageshack.com/a/img35/7106/3yi9.JPG)  
[http://imageshack.com/a/img716/4215/nspa.jpg](http://imageshack.com/a/img716/4215/nspa.jpg)

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