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Olaf

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  1. Hello, I am using Cura 2.4.0 on a Windows 7 64-bit computer. I have set up two different 3D printers in Cura. In former Cura versions, the "Save to removable drive" button always worked with my SD card reader (L:\). In Cura 2.4.0, it stopped working. But I found out that it only refuses to work with the second 3D printer. Then it just does not save the file. A notification window appears in the lower center of the screen, but there is no text in it except the "close message X" (the cross in the upper right). When I switch back to my first 3D printer, then the button works normally. It seems that Cura 15.04.6 does not show this issue (also two printers registered). Does anybody else have this issue with Cura 2.4.0? Is it known? Any chance to put it on the to-fix list? Thanks, Olaf
  2. OK. I found a solution with an additional Cura .py plugin from here: http://www.3d-druck-community.de/thread-7044.html Although, I think a G92 E{something} command might also work if there is the proper variable. Best, Olaf
  3. Hello, I am a big fan of Cura and I am using Cura V2.4.0 for all my single-extruder 3D prints. But currently, I am trying to set up Cura V15.04.6 for my new CTC dual extruder 3D printer (Makerbot clone). I am trying to generate GCode and then convert it with GPX into an X3G file. This is basically working. I want to print soluble support material (PVA) with the second extruder. My problem is: When Cura V15.04.6 writes an M135 Tx (x=0 or 1) command, i. e. tool change, then the extruder value (Exx.xx) just continues counting upwards from the old extruder's value. My printer then spits out huge amounts of the material that has been switched to. I assume that because of the tool (extruder) change command, the newly chosen extruder needs to catch up with the amount of material that has just been printed before (because the extrusion value has gotten this big). This leads to a heap of material at or nearby the position where the tool change command has taken place. I think a command in the PostSwitchExtruder.gcode setup section could help. But I am not sure if Cura can do this: I think of something like G92 E{current_extruder_position} (problem: I made {current_extruder_position} up). Is there such a variable? Relative E values would also work, but Cura only uses absolute values. Anybody who can help me? Anyone who has an idea? Thanks a lot. Olaf
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