Jump to content
Ultimaker Community of 3D Printing Experts

Not sticking

Recommended Posts

Posted · Not sticking

Upon trying to print something a little harder than the Ultibot, (gyro by vitrox), my Ultimaker 3 is running into some problems. The PVA is not adhering to the print plate and during the start of the printing cycle the extruder for PVA (print core 2) deposits so much PVA material around the print core that it forms a mass or ends up dragging the material around as it tries to print. Can anyone help with this problem? 

  • Link to post
    Share on other sites

    Posted · Not sticking

    PVA is very sensitive to any kind of dirt or grease/oil on the glass bed, like fingerprints. Make sure that it is properly cleaned before you start your print. You have various methods to clean it: soap and sponge or Karcher's windows cleaner (the yellow one) works the best in my case.


    The big blob of PVA at the start is also a known problem, if it's too bad, there's an option to disable it entirely in CURA. I'd suggest replacing it with a brim, both can serve the same function ie prime your extruder and make sure that material is flowing through before the printing really starts.

  • Link to post
    Share on other sites

    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now

    • Our picks

      • New here? Get ahead with a free onboarding course
        Often getting started is the most difficult part of any process. A good start sets you up for success and saves you time and energy that could be spent elsewhere. That is why we have a onboarding course ready for
        Ultimaker S5 Pro Bundle, Ultimaker S5, Ultimaker S3 Ultimaker 2+ Connect.   
        They're ready for you on the Ultimaker Academy platform. All you need to do to gain access is to register your product to gain free access. 
        Ready? Register your product here in just 60 seconds.
          • Like
        • 13 replies
    • Create New...