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Command line execute CuraEngine, How to Generate T0&T1 ?

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I execute CuraEngine.exe by command line. The version is 3.3, I use ultimaker3.def.json and  ultimaker3_extruder_left.def.json and ultimaker3_extruder_right.def.json. 

Now it is only one extruder, even though it have generate support.

How to modify the .json file, so that it can use both extruder1 and extruder2.

I mean, I want extruder1 be used for the model, the extruder2 be used for support.

Is there any demo?



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3 hours ago, nallath said:

You need to set the setting "support_extruder_nr" to 1 (instead of 0, which is the default)

If I recall correctly, this can be done by adding;

-s support_extruder_nr="1" 



I have tried 3 ways:


(1) Not modify anything of the fdmprinter.def.json, just add the command  '-s support_extruder_nr="1" '

It is not help.


(2) Just modify the dmprinter.def.json, as this:



It is not help. Just like this:




(3) If I modify the default value of "support_infill_extruder_nr", like this:



It worked! But, there is an additional cylinder!As this:





Here is my json file.












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