Jump to content

Retraction problem


Recommended Posts

Posted · Retraction problem


I've been having various problems with retraction lately, especially with supports. Despite disabling "limiting retractions in the media", there is no retraction in the media, and it continues to produce stringing at every level. As you can see from the photo, the retraction doesn't seem to work in the upper parts of the print either.

I recently switched to Cura, and I probably must have done something wrong in the configuration.

Can you help me?




  • Link to post
    Share on other sites

    Posted · Retraction problem

    "Max Comb Distance with No Retract" = 70.  That means no retraction until a travel move is over 70mm and your part isn't that big.  Try changing it to 2mm.  I counted 1760 moves in the Z in the gcode sliced with your 70, and 7000 Z moves when changing that setting to 2mm.  A Z move results from either a retraction, a prime, or when lifting to the next layer.  I didn't actually go through the gcode and count retractions.


    I don't like "Retract before outer wall" or "Retract at layer change".  The resultant primes always seem blobby with my Ender.  They have their uses but generally I avoid using either of those (or Z-hops) except in special circumstances.

  • Link to post
    Share on other sites

    Posted · Retraction problem

    Thanks for your advice, actually the problem has reduced quite a bit.

    In the photo you can see that there are some filaments left, which didn't actually cause any problems, removed with a lighter in seconds. I think increasing the retraction by a little should solve it, I don't want to lower the temperature too much. However, strange that in the Cura preview the shrinkage points in the media are not displayed.


  • 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

      • UltiMaker Cura 5.7 stable released
        Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more. 
          • Like
        • 18 replies
      • S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
        (Sorry, was out of office when this released)

        This update is for...
        All UltiMaker S series  
        New features
        Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
          • Like
        • 0 replies
    • Create New...