The original Creality recommendation is just "G1 F2400 E80", but I changed it to "G1 F2400 X15 Y15 E-80" to home the head while retracting, because CURA pauses in place if you have to heat or cool the hot-end for the two different filaments and this pause leaves melt-holes in the object.įinally, if you're using TPU (e.g.
Ultimaker cura first layer settings trial#
Through trial and error I figured out you need to retract and load > 60mm of filament for the CR-X so 80 is fine. This properly retracts and loads filament. You have to add two post-processing scripts:Įxtensions> Post-processing > Modify G-codeĪdd two "Search and Replace" scripts with REGEXP turned on in both. I've encountered this bug and I have a work around. And of course, if I figure it out in the meantime I'll share my settings here. It retracts on nozzle switch, but doesn't feed far enough to begin with. Without these instructions and only using the nozzle switch retraction settings, it does not feed correctly. Seems like if I could get that working correctly, dual-extruder printing is within grasp!
Feels like a bug in Cura, but I would have thought something like that would already be reported. If I trim it down to one or two lines, those lines are included. If I enter this exactly, none of it comes through in the. The Chinese document shows that extruder 1 start should be set to: It seems that if you add more than two lines of code, that whole section fails to be included when the extruder switches. The other problem I have is with the per-extruder G-code specifically. It's the same issue with both 3.4.1 and 3.6 (on Mac). It's easy to overtype the obvious omissions, but suggests the files might not quite be compatible and I wonder if other profile settings have been missed too. The filament diameter is set to 2.85mm instead of 1.75mm, the diameter is 0.2mm instead of 0.4mm and there is no per-extruder G-code. When I create a new printer in Cura as a CR-X using them, it does not carry through the extruder defaults from these files correctly. Did you get that working? There are a couple of oddities. I have been able to start making single-extruder prints but had no joy slicing my own two-colour models.
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