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beckbw

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  1. Increase "Prime Tower Minimum Volume" to > 80 (I recommend 90) on all extruders.
  2. I am using Cura 4.0.0 Beta on OSX. Follow these instructions here: https://www.thingiverse.com/groups/creality-cr-x/forums/general/topic:33324#comment-2194035 (tl;dr : copy Definition and Extruder json files into the package contents. Then you can create a CR-X) You can mostly then use the settings from the Creality cura docs on the SD card. I've encountered a bug in which Extruder Start/End Gcode isn't inserted properly. You can work around that as discussed here: https://www.thingiverse.com/groups/creality-cr-x/forums/general/topic:33324#comment-2332745
  3. Follow these instructions here: https://www.thingiverse.com/groups/creality-cr-x/forums/general/topic:33324#comment-2194035 (tl;dr : copy Definition and Extruder json files into the package contents. Then you can create a CR-X) You can mostly then use the settings from the Creality cura docs on the SD card. I've encountered a bug in which Extruder Start/End Gcode isn't inserted properly. You can work around that as discussed here: https://www.thingiverse.com/groups/creality-cr-x/forums/general/topic:33324#comment-2332745
  4. I've noticed 3 things impacting CR-X dual printing with Cura 4.0.0 Beta (OSX): 1) Extruder Start/End Gcode isn't inserted on tool change. My workaround was two post-processing scripts, which is kludgy but works fine. Through trial-n-error I figured out that retraction on Extruder End Gcode needs to be more than -60 mm (Creality recommends -80) and re-priming after tool swap needs to similarly be >+60 (I used +80 again). 2) The default prime-tower-volume is WAY WAY too small to purge between tools. I had set it to >80 mm3 on each extruder and 90 might be safer. (FYI, I use a 30 mm circular tower). For reference, S3D profiles seem to use 91 mm3. 3) the tower often topples over so I use a brim whether I need it or not for the tower.
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