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Replacement pattern with {...} won't get replaced

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Posted (edited) · Replacement pattern with {...} won't get replaced

Hi there,


I have some strange behavior when slicing, which is probably just because I don't see my mistake. I'm using some custom start code. One of the lines contain for example 

M140 S{material_bed_temperature_layer_0}


My expectaion would be to see something like "M140 S60" in the sliced G-Code file, but what I see is for example this:


M73 P0
M117 Time Left 0h40m33s
;Filament used: 1.01777m
;Layer height: 0.1
;Generated with Cura_SteamEngine 4.10.0
M82 ;absolute extrusion mode
; Ender 3 Start G-Code
M501                                                                   ; Standardwerte laden
M82                                                                      ; absolute Extrusion
M117 Vorbereiten                                                         ; Info am LCD
M107                                                                   ; Bauteil-Lüfter aus
M140 S{material_bed_temperature_layer_0}                   ; Bett heizen
M104 S180                                                                        ; Düse vorwärmen


There is no M140 from Cura before my start code. That basically indicates that Cura recognized that I have own temperture settings in my start code. Fine!
But why do I still see the variable name instead of the value?


And an additional question: is there a posibility to make an easy calculation in custom start code? Somthing like "M140 S{material_bed_temperature_layer_0} + 15.0" ?


Edited by Uwe11
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    Posted · Replacement pattern with {...} won't get replaced

    To answer the second part of your question: no, there is no way to do simple math with the replacement patterns.

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    Posted · Replacement pattern with {...} won't get replaced

    I don't see why/how the pattern replacement is not working from the snippet you posted; the spelling seems correct.

    Can you save a project file (using File -> Save project...) and post a link to it here? Then I can have a look at your exact start gcode, as well as any postprocessing and other settings that could affect this.

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