RS-MIDOPT

Thanks for the help! I've re-tightened all the pulleys but the farther most pulley on the right side had loosened itself quite a bit. I tightened it and I've seen a lot more model coherence since then.

Hello Ultimaker Community, I use an Ultimaker 2 Extended+ at work and recently, I have been having some issues with model consistency. If you can see the attached image, you can see I was trying to make circular shapes of a certain ID and OD. I was able to print 2, each requiring a 12 hour session. after that when I tried to print a third, I was given this: Why do you think that the print would unravel in such a way? and what settings can I provide to you all in case you need more information?