Ultimaker Cura not always telling extruder to retract when traveling

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I'm having a problem with Ultimaker Cura (v3.4.0) where it doesn't always tell the extruder to retract when performing a travel, which causes the hotend to leave a "trail" as it's moving and not start printing again right away when the travel is over.



For example, the extruder does not retract when performing this travel (blue):



enter image description here



And yes, I do have "retract before outer wall" enabled....



enter image description hereenter image description here



Any ideas how to solve this?






cura slicing retraction







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    up vote
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    favorite












    I'm having a problem with Ultimaker Cura (v3.4.0) where it doesn't always tell the extruder to retract when performing a travel, which causes the hotend to leave a "trail" as it's moving and not start printing again right away when the travel is over.



    For example, the extruder does not retract when performing this travel (blue):



    enter image description here



    And yes, I do have "retract before outer wall" enabled....



    enter image description hereenter image description here



    Any ideas how to solve this?






    cura slicing retraction







    share|improve this question

























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      I'm having a problem with Ultimaker Cura (v3.4.0) where it doesn't always tell the extruder to retract when performing a travel, which causes the hotend to leave a "trail" as it's moving and not start printing again right away when the travel is over.



      For example, the extruder does not retract when performing this travel (blue):



      enter image description here



      And yes, I do have "retract before outer wall" enabled....



      enter image description hereenter image description here



      Any ideas how to solve this?






      cura slicing retraction







      share|improve this question















      I'm having a problem with Ultimaker Cura (v3.4.0) where it doesn't always tell the extruder to retract when performing a travel, which causes the hotend to leave a "trail" as it's moving and not start printing again right away when the travel is over.



      For example, the extruder does not retract when performing this travel (blue):



      enter image description here



      And yes, I do have "retract before outer wall" enabled....



      enter image description hereenter image description here



      Any ideas how to solve this?






      cura slicing retraction




      cura slicing retraction






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      share|improve this question













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      edited 3 hours ago









      0scar

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          You probably have the "Combing Mode" option under the "Travel" options enabled for each layer (All). Combing reduces print time by leaving out the retraction, but leads to ugly first and top layers by leaving "scars" on the surface. It can be disabled by excluding the bottom and top layer by changing the setting to No skin or for all layers by choosing Off. The latter will increase printing time drastically! Please note that as of version 3.5 of Ultimaker Cura the options of the combing setting have different textual descriptions.






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            You probably have the "Combing Mode" option under the "Travel" options enabled for each layer (All). Combing reduces print time by leaving out the retraction, but leads to ugly first and top layers by leaving "scars" on the surface. It can be disabled by excluding the bottom and top layer by changing the setting to No skin or for all layers by choosing Off. The latter will increase printing time drastically! Please note that as of version 3.5 of Ultimaker Cura the options of the combing setting have different textual descriptions.






            share|improve this answer


























              up vote
              2
              down vote













              You probably have the "Combing Mode" option under the "Travel" options enabled for each layer (All). Combing reduces print time by leaving out the retraction, but leads to ugly first and top layers by leaving "scars" on the surface. It can be disabled by excluding the bottom and top layer by changing the setting to No skin or for all layers by choosing Off. The latter will increase printing time drastically! Please note that as of version 3.5 of Ultimaker Cura the options of the combing setting have different textual descriptions.






              share|improve this answer
























                up vote
                2
                down vote










                up vote
                2
                down vote









                You probably have the "Combing Mode" option under the "Travel" options enabled for each layer (All). Combing reduces print time by leaving out the retraction, but leads to ugly first and top layers by leaving "scars" on the surface. It can be disabled by excluding the bottom and top layer by changing the setting to No skin or for all layers by choosing Off. The latter will increase printing time drastically! Please note that as of version 3.5 of Ultimaker Cura the options of the combing setting have different textual descriptions.






                share|improve this answer














                You probably have the "Combing Mode" option under the "Travel" options enabled for each layer (All). Combing reduces print time by leaving out the retraction, but leads to ugly first and top layers by leaving "scars" on the surface. It can be disabled by excluding the bottom and top layer by changing the setting to No skin or for all layers by choosing Off. The latter will increase printing time drastically! Please note that as of version 3.5 of Ultimaker Cura the options of the combing setting have different textual descriptions.







                share|improve this answer














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                edited 43 mins ago

























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                0scar

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