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Like any other Ultimaker printer the UM3 can read text files with the file extension ".gcode"
In addition the UM3 is able to directly use gcode files that are compressed with gzip, those will have the file extension ".gcode.gz". Cura generates such files by default if you print over network, but it's not mandatory
But: the .gcode file has to begin with the mandatory Griffin-"Header" - basically a few lines with specific comments that describe the print job.
The easiest way to get such a header is to prepare a similar print job in Cura, slice and save the gcode file to disk.
Obviously you don't want to heat anything up - so set all temperatures to zero.
Take a look at the header lines in the file, it's not very hard to interpret. Afterwards replace everything below the header lines with your own G-Code commands.
Further:
I'm not sure, if the UM3 supports the G28 command (i think it does not?) - it's possible that it will be ignored or it will work different from what you expect. The UM3 has its own start- and end- procedures builtin that are performed for every print. There's no easy way around it.
You should add a feedrate (parameter "F") prior or within the first move commands, to tell the printer how fast it should move.
I'm excited because I've personally produced this showcase event, so if you are curious what else I'm up to nowadays, come check it out and say hi in the chat! It would mean a lot!
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tinkergnome 917
ok, let's see...
Obviously you don't want to heat anything up - so set all temperatures to zero.
Take a look at the header lines in the file, it's not very hard to interpret. Afterwards replace everything below the header lines with your own G-Code commands.
Further:
Example:
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BairdB 1
Thank you very much! Hope this post is useful for other people with the same issue.
Cheers!
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