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Sevenmead

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  • Content Count

    5
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  • Field of Work
    (Product) design
  • Country
    US
  • 3D printer
    Ultimaker Original
  1. Ok... so it's a little better. I'm still fighting like crazy. It's acting like there is a .01 margin of error for where the print head is happy but there is a .05 error in the print bed so there are places where it is fine and places where it is not
  2. Hmm.. This is a good place to start. I was using an old version of cura for a long time and did not have this option. I was surprised to see it "avoiding parts" and did know why. Additionally I have been messing with retraction but I seemed to be that I could not induce a change and this explains this as well. I can not currently run retraction to any extent because my Teflon tube went missing.
  3. To reiterate. I have spent two full days (well over 10 hours) trying every possible combination of height and temperature, speed extrusion rate and others. If it was a bed height problem I would have solved this in the first ten minutes. I have used this machine for well over 2 years and I have manually leveled it hundreds of times and the only thing that has changed is the control board. Turning the speed down to 5 mm/sec seems to indicate that the extrusion starts a little late but that still does not explain the dragging. I have even messed with firmware retraction.
  4. the first few mm of any new extrusion refuses to stick to my build plate... it just curls up and is drug forward with the nozzle. I am using a rigidbot with an upgraded hot end, build tak on my build plate and cura as slicing software. This has never been an issue before but I just finished rebuilding the printer with a mega2560 board and have not been able to remedy this issue for two full days. I even cleaned all the old burnt plastic off the nozzle. My prints stick just fine over all but complicated models with lots of stops and starts in the first layer are currently impossible. I have tried every possible combination of temp, height, extrusion rate, retraction and speed I can come up with. I even replaced the build tak with a brand new one thinking the old one was too old to stick to but the issue is unchanged. Has anyone seen this before? Any idea? I'm about to put blue tape down just to see what happens. I am so out of ideas. Thanks
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