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Thread: Show your MODS

  1. #181
    Technologist
    Join Date
    Oct 2014
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    132
    I have tried PETG twice (different spools) with the same odd results - the first couple of prints come out perfectly. Then all other prints refuse to stick to the bed. I have been really confused by this as it is happening with the exact same gcode as the good prints.

    I first tried with blue PETG, then white PETG. When I switch back to PLA Pro everything works fine.

    This is what I was printing http://www.thingiverse.com/thing:795954 I printed one set just fine in PETG, and then tried to print a backup and never could get it to stick.

  2. #182
    You might need to pop it in the oven at 70F to dry it out. It might have just absorbed some moisture.

  3. #183
    Technologist
    Join Date
    Nov 2014
    Location
    Brevard, NC
    Posts
    178
    If it is a moisture problem rather than putting it in the oven, you might try heating your 3d printer heat bed to 50 to 70C & placing the roll on the heatbed for a half hour on each side to pull the moisture out. I am not sure what temperature works the best.

  4. #184
    Technologist
    Join Date
    Oct 2014
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    132
    This time elapsed between the first two prints that succeed and the following prints that fail is less than one hour - moisture is not the problem.

  5. #185
    Quote Originally Posted by kd7eir View Post
    This time elapsed between the first two prints that succeed and the following prints that fail is less than one hour - moisture is not the problem.
    Could it be heat creep causing issues?

  6. #186
    Technologist
    Join Date
    Oct 2014
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    132
    Quote Originally Posted by plackslayer View Post
    Could it be heat creep causing issues?
    I guess that's possible

  7. #187
    This used to cause me issues but mainly with layers not bed adhesion. Worth a try checking into.

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