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printing with the 2nd extruder ONLY ??? in Cura 2.6


Vinci

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Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

Hi,

I'm using the UMO with all upgrades, inkl. Dualextruder. It's all fine.

BUT : Sometimes I wanna print with another filament, so I decided for ABS using the 1st extruder and for another filament (lower temperature!) the 2nd extruder.

Is it possible to print a model just with only the second extruder? I wanted to leave two different materials in the extruders, so I don't have to change the material between the prints.

(----> https://ultimaker.com/en/community/33641-um3-print-with-only-second-extruder )

Of course, I have tried the "per model-settings", but I think, I have trouble with those complex settings of material / printersettings / printprofiles ... :O

And what about the "First Extruder settings" (on the right side of Cura) ... are they important?

My UMO seems to ignore my intention to print with only the 2nd Extr. and heats up the first nozzle too!

In the version of Cura 15.02.1 , I modified the gcode and put T1 in place of T0 to use the second extruder for a print and it works fine. (after long "try-and-error" sessions)

Please, is there anyone out there, who can help - maybe with a few sreenshots of the settings I have to do....?

Thanks a lot,

Vinci

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    Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

    I converted a Post-Processing Plugin by Stefan Heule from Cura 15 to Cura 2.x a little while back that does what you did by hand: Replace T0 with T1

    You can find it here: http://bitman.org/dahai/SelectExtruder.zip

    May not be the best way to do this, as there may be a way to set Cura up naturally to use the second extruder, but it does appear to work.

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    Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

    Hey DaHai8 !

    thanks a lot!

    after some tweaking, I got it! Now I can print with only the 2nd Extr....!!

    BUT: I can only use Cura 2.4 , cause the representation of the graphic for "layers view" does not work (Open GL etc...) The "compatibility mode" is'nt just fine )-:

    And by the way: Do you know, how I can configure the "machine settings" for the dimensions of the printhead in Cura 2.4 ?

    see also --->

    https://ultimaker.com/en/community/39281-cura-not-using-user-set-machine-print-head-size?page=1&sort=#reply-183614

    @ eldrick:

    thanks for the hint !! ... but I do not know, how I use this :(

    replace.thumb.JPG.c3a47724055c8ffa5423067dfbffdd98.JPG

    what shall I type in there ???

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    Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

    Hey DaHai8 !

    thanks a lot!  

    after some tweaking, I got it! Now I can print with only the 2nd Extr....!!

    BUT:  I can only use Cura 2.4 , cause the representation of the graphic for "layers view" does not work (Open GL etc...)  The "compatibility mode" is'nt just fine )-:

    And by the way: Do you know, how I can configure the "machine settings" for the dimensions of the printhead in Cura 2.4 ?

    see also --->  

    https://ultimaker.com/en/community/39281-cura-not-using-user-set-machine-print-head-size?page=1&sort=#reply-183614

    @ eldrick:

    thanks for the hint !! ... but I do not know, how I use this :( 

    replace.thumb.JPG.c3a47724055c8ffa5423067dfbffdd98.JPG

    what shall I  type in there ???

    In my experience, a "Regular Expression" (REGEX) is a perl search and replace expression. You don't need to put anything in there. I suspect that Cura is allow you to use REGEX's to build complex substitutions. Yours is pretty simple, so just leave the box unchecked.

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    Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

    Print Head Size settings were covered in a older thread. You can find it there:

    https://ultimaker.com/en/community/49872-printhead-settings?page=1&sort=#reply-182793

    As for Regular Expressions, if you're not a programmer they can be very confusing...ok, even if you are a programmer, they are very confusing...

    Regular Expressions allow you to write very complex Search and Replace commands that can account for a variety of possible matches, replacements, and search functions.

    The Python RegEx page can be found here: https://docs.python.org/2/library/re.html

    Good luck!

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    Posted · printing with the 2nd extruder ONLY ??? in Cura 2.6

    Print Head Size settings were covered in a older thread. You can find it there:

    https://ultimaker.com/en/community/49872-printhead-settings?page=1&sort=#reply-182793

    As for Regular Expressions, if you're not a programmer they can be very confusing...ok, even if you are a programmer, they are very confusing...

    Regular Expressions allow you to write very complex Search and Replace commands that can account for a variety of possible matches, replacements, and search functions.

    The Python RegEx page can be found here: https://docs.python.org/2/library/re.html

    Good luck!

    .....

    ok... I found out, that there is no way, to set 'Print Head Size settings' in Cura 2.4 ...

    I just looked at the 'machine defs' in the .json - file and modified it .. but only the bed-dimensions ... change 'printhead settings' is to crazy for me here.... :O

    the 'The Python RegEx page' tells me nothing... it's too much for my brain... :D

    regards,

    Vinci

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