I've had my Printrbot for a few weeks now and I've been having more and more success with calibrating it and getting reliable prints. I'm now at a point where I can happily leave it printing unattended and most nights I leave a full plate of parts / toys printing away and pick them up in the morning.
I still have a few issues with Z wobble which I should be able to fix. I think the threaded rods are attached to the Z motors at a very slight angle. As can be seen at the top of the picture below this causes a repeating 'wobble' pattern going up my prints:
So far though no one else has noticed this on my prints - but I want them to be as good as possible so I'll be tinkering away tonight!!
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