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CellZapper

Undocumented features of slicers ???

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Hi

I am a noob to all things 3D,

 

Trying to understand start / end G-Code, I note there Are "comments" that are responded to by Cura,

In some older versions of Cura as supplied with the Anet A8 (14.7) there are ;comments such as ......

 

;Sliced at: {day} {date} {time}
;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
;Print time: {print_time}
;Filament used: {filament_amount}m {filament_weight}g
;Filament cost: {filament_cost}
;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line
;M109 S{print_temperature} ;Uncomment to add your own temperature line

 

these are still supported by 3.1.0 plus other lines inserted at the beginning of the generated G-Code.

Example

 

;FLAVOR:Marlin
;TIME:8907
;Filament used: 11.0509m
;Layer height: 0.2
;Generated with Cura_SteamEngine 3.1.0

........................

;Sliced at: Mon 22-01-2018 14:16:25
;Basic settings: Layer height: 0.2 Walls: 0.8 Fill: {fill_density}
;Print time: 03:25:30
;Filament used: [18.17]m [54.20712796875]g
;Filament cost: [0]
;M190 S60 ;Uncomment to add your own bed temperature line
;M109 S210 ;Uncomment to add your own temperature line

 

 these result in the G-Code produced with the values filled in (a feature I am finding useful in my confused state)

 

I have searched unsuccessfully for any documentation on what "comments" are supported and by which slicers.

 

Is there anything out there on the web documenting this.

 

Thanks Chris

 

I worked as a computer troubleshooting engineer for 40 years,

and met many people having a nervous breakdown trying to understand STUFF that was not documented

I said get a life, just live with what you know, or you get the men in white coats coming to lock you up....

now I know how they felt.

Edited by CellZapper
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For cura versions 14.X and 15.X it's easy - save your profile into an ini file (it's under the file menu).  Then there is a simple and obvious rule to translate all settings into the "substitution variables" you describe.  For example I think "Print Time" goes to "print_time".  Something like that.  The rule is something like "make everything lower case and add underscores for spaces'.  Something like that.  I don't remember anymore.

 

I'm not sure how to get the variable names in cura 2.X and 3.X

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