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  1. Has there been any changes in cura since 2.7 to add system variables for use in G-Code scripts?
  2. Rotatable support infill, Hoorah! Thanks for adding this testing now!
  3. Yes neotko it does look like that. The problem is it doesn't account for that at the start of printing, so the print begins with no material being extruded. If one of the extruders has been disabled (using the new feature), then it should ignore the tool change retractions too.
  4. 3.3.0-BETA Why does the slicer retract 6.5 then 16mm at the start of layer 0? I'm using the Vertex K8400 dual profile and disabled extruder 1 in Cura to print using extruder 2 (which is a really useful feature!!) When I slice, just before layer 0, the extruder retracts 22.5mm! This is the code created when extruder 1 is disabled to print using extruder 2 ;FLAVOR:Marlin ;TIME:678 ;Filament used: 0m ;Layer height: 0.2 ;Generated with Cura_SteamEngine 3.3.0-BETA T1 M190 S55 M104 T1 S200 M109 T1 S200 M82 ;absolute extrusion mode ; Cura Startup Script v1.0 G21 ; metric values G90 ; absolute positioning M82 ; set extruder to absolute mode M107 ; start with the fan off G92 E0 ; zero the extruded length M117 Home all axis... G28 ; home all axes M117 Level bed... G29 ; level bed M106 P1 S64 ; Start Extruder Fan M117 Prime Extruder! G1 F8000 G1 X210 Y190 Z0.5 ; move off edge of bed G1 E15 F500 ; extrude 15mm M400 ; wait for extrusion G1 Z0 X200 Y180 E20 F1000 ; Wipe and extrude 5mm G92 E0 ;zero the extruded length again G1 F9000 ;Put printing message on LCD screen M117 Printing.... ;end of script G92 E0 G1 F1500 E-6.5 ; Why do this? ;LAYER_COUNT:57 ;LAYER:0 G1 F1200 E-16 ; Why do this too? G92 E0 T1 G92 E0 M109 S200 M107 G0 F3600 X89.192 Y89.558 Z0.3 ;TYPE:SKIRT However, if you disable extruder 2, to print with extruder 1 the line G1 F1500 E0 is added which compensates for the earlier retraction. It seems this line is missing when you print with extruder 2. ;end of script G92 E0 G1 F1500 E-3 ;LAYER_COUNT:32 ;LAYER:0 M107 G0 F3600 X77.85 Y115.65 Z0.3 ;TYPE:WALL-INNER G1 F1500 E0 G1 F1800 X77.85 Y111.85 E0.16115 G1 X80.35 Y111.85 E0.26716 G1 X80.35 Y111.626 E0.27666
  5. +1 for a support angle feature.I'm having a similar issue where the edge of the print above the support structure starts to droop. It could be resolved by rotating the support structure by 45 degrees. This is the standard support here is the ideal support structure A can achieve this by rotating the object, but I lose bed space when printing multiple objects.
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