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HarryKane

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  1. Hi all, Got my first 3D printer (Ultimaker 2) a couple of weeks back and cannot seem to get it printing Colorfabb XT with any success. When I first got the printer I tried the PLA that came with it and the prints came out fine, however since changing to XT I have had only one completed print. Any of the following happens each time I print: - When printing the first few layers some of the lines are either missed, straight lines are created where there should be curves, or the lines blob and cut off before they reach their destination. When it blobs the head usually catches as its passes over and then moves the print out of position. - Prints lift off the bed, this has happened at various stages of the print, including just half an hour from completion on a 5 hour print. This usually causes the print to be removed completely from the bed and then pushed off while the printer carries on extruding in mid air. Very frustrating as a lot of time and material is being wasted as I try different printer settings. I have re-calibrated, ensured the print bed is spotless and tried many different temperatures, print speeds, layer heights, brims, rafts and so on. Current settings are: Print Temp: 250 Print Speed: 40 Bed Temp: 70 Fill Density: 15% Layer height varies from print to print but is usually around 0.1 What would you guys recommend? Any help would be really appreciated! Cheers
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