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    Automatic Bed Leveling with Conditional Gcode Iterations

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    • fcwiltundefined
      fcwilt @Kolbi
      last edited by fcwilt

      @Kolbi

      Hi,

      Normally I invoke PRINT_BEGIN.g and PRINT_END.g from within the slicer using whatever feature the slicer provides.

      START.g was called before the call to PRINT_BEGIN.g. That seems to happen automatically without any action on part of Simply3D (S3D).

      PRINT_BEGIN.g was called because I invoked it within S3D in the "Starting Script" option on the "Scripts" tab.

      STOP.g was not called at all. It seems the slicer must insert a M0 command at the end of the print to invoke STOP.g.

      PRINT_END.g was called because I invoked it within S3D in the "Ending Script" option on the "Scripts" tab.

      Since I want a "end of print" macro to execute, without a way to force the slicer to include M0 at the end I will stick with the "Script" options and invoke PRINT_BEGIN.g and PRINT_END.g

      If would be nice if START.g and STOP.g would execute without any action on the part of the slicer. Then I could dispense with insuring the slicer invokes PRINT_BEGIN.g and PRINT_END.g

      Frederick

      Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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      • Kolbiundefined
        Kolbi
        last edited by

        @fcwilt I understand, thanks!

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        • A Former User?
          A Former User
          last edited by

          there is also this overview https://duet3d.dozuki.com/Wiki/Macros#Section_System_Macros

          fcwiltundefined 1 Reply Last reply Reply Quote 0
          • fcwiltundefined
            fcwilt @A Former User
            last edited by

            @bearer said in Automatic Bed Leveling with Conditional Gcode Iterations:

            there is also this overview https://duet3d.dozuki.com/Wiki/Macros#Section_System_Macros

            Thanks - I had not seen that.

            Frederick

            Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by

              I use start.g for general print prep. Homing, preheat. Then it passes off to the slicer for setting the temps for the print. Then in the slicer start gcode section it calls a macro to print a prime line and then start the print. I do it this way so that the prime line is printed at the right temp for the material being used.

              The slicer end gcode just contains M0 and then stop.g has all of the actual end of print commands.

              I kind of wish there was just an end.g that could take the place of M0 -> stop.g

              Z-Bot CoreXY Build | Thingiverse Profile

              fcwiltundefined 1 Reply Last reply Reply Quote 0
              • fcwiltundefined
                fcwilt @Phaedrux
                last edited by

                @Phaedrux said in Automatic Bed Leveling with Conditional Gcode Iterations:

                Then it passes off to the slicer for setting the temps for the print.

                As you may have noticed in my print_begin.g macro I rely on the filament feature to set bed/filament temps.

                I do wait for the temps to be reached before starting to print. I don't know what a "prime line" is - I just print a 2 line skirt so I can watch to see how the first layer is going down and adjust baby-stepping or abort, as needed.

                Frederick

                Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                • Phaedruxundefined
                  Phaedrux Moderator @fcwilt
                  last edited by

                  @fcwilt said in Automatic Bed Leveling with Conditional Gcode Iterations:

                  "prime line"

                  In my case:

                  ;M98 P"0:/sys/PrimeNozzle.g"
                  
                  G90 			; Absolute positioning
                  G1 X1 Y270 F6000 	; Move to rear left corner
                  M400 			; clear movement buffer
                  M116 			; Wait for temps
                  G1 Z0.3 F100		; Move Z to prime height
                  G91 			; Relative positioning
                  M83 			; Relative extrusion
                  G1 X40 E10 F300 	; Prime nozzle
                  G10			; Retract
                  G1 Y-1 X1 F10000 	; Wipe nozzle
                  M400
                  

                  And start.g since we're being transparent.

                  M106 P2 F30000 S0.5 H-1 C"Duet Fans"
                  M140 S65		; set heated bed to 65 and release
                  T0			; Select Tool 0
                  M291 P"Print Started. Preheating and Homing." T10
                  G4 S1
                  M98 P"0:/macros/Musical Tunes/LuckyTune.g" ; Lucky tune to start print off on the right foot
                  G4 S1
                  M220 S100		; Set speed factor back to 100% in case it was changed
                  M221 S100		; Set extrusion factor back to 100% in case it was changed
                  M290 R0 S0		; clear babystepping
                  M106 S0			; Turn part cooling blower off if it is on
                  G10 P0 R0 S80		; Set extruder to 80 and release
                  M190 S65		; set heated bed to 65 and wait
                  G28			; home XYZ
                  G29 S1			; load heightmap
                  M400
                  G10 P0 R80 S180	; Set extruder to 180 and release
                  M98 P"0:/sys/ZSpeedsPrint.g"	; Load Z speeds for printing
                  M98 P"0:/sys/CurrentsPrint.g"	; Load print motor currents
                  
                  ; Slicer Start Gcode begins.
                  

                  and stop.g for the hell of it.

                  ; stop.g
                  ; called when M0 (Stop) is run (e.g. when a print from SD card is cancelled)
                  ; Also called by slicer end gcode by M0
                  ;
                  M400			; Finish move queue
                  M104 S0 		; Extruder heater off
                  M140 S0 		; Bed heater off
                  M106 S255 		; Fan at 100 to cool nozzle and bed
                  G91			; Relative positioning
                  M220 S100		; Set speed factor back to 100% in case it was changed
                  M221 S100		; Set extrusion factor back to 100% in case it was changed
                  G1 E-2 F9000			; Retract filament 2mm
                  G1 X5 Y5 F9000		; Wipe nozzle 
                  G1 Z20 F500			; raise nozzle 5mm from printed part
                  G90				; absolute positioning
                  G1 X150 Y130 F6000		; Move x and Y axis over to bed center so probe is on top of bed
                  ;M104 S35		; Set hot end low and wait
                  G4 S60			; Wait 5 minutes
                  ;M116			; wait for temp to drop
                  G28 X Y			; Home X and Y
                  G28 X Y			; Home it again, Sam.
                  M290 R0 S0		; clear babystepping
                  M84			; Steppers off
                  M98 P"ZSpeedsNormal.g"	; Load normal z speed settings again.
                  M106 S0			; Fan off
                  M106 P2 F30000 L0.1 X0.8 B0.5 T35:70 H100:101:102 C"Duet Fans"
                  
                  ;Play a little beep beep beep to show print ended.
                  M400			; Clear queue again before jingle
                  G4 S1
                  M300 P250 S750
                  G4 P251
                  M300 P200 S1250
                  G4 P201
                  M300 P250 S750
                  G4 P251
                  M300 P200 S1250
                  G4 P201
                  M300 P250 S2500
                  G4 P251
                  M300 P150 S2000
                  G4 P151
                  M300 P150 S2500
                  G4 P151
                  M300 P350 S3700
                  G4 P351
                  

                  Z-Bot CoreXY Build | Thingiverse Profile

                  Kolbiundefined 1 Reply Last reply Reply Quote 2
                  • Kolbiundefined
                    Kolbi @Phaedrux
                    last edited by

                    @Phaedrux Thanks for sharing. Do you use filament/config.g or just use slicer start code?

                    Phaedruxundefined 1 Reply Last reply Reply Quote 0
                    • Phaedruxundefined
                      Phaedrux Moderator @Kolbi
                      last edited by

                      @Kolbi said in Automatic Bed Leveling with Conditional Gcode Iterations:

                      @Phaedrux Thanks for sharing. Do you use filament/config.g or just use slicer start code?

                      I haven't used the filaments function for a long time. I use prusa slicer and cura interchangeably. I use prusa slicer for the filaments library and refer to it when I'm setting up a print in Cura.

                      Z-Bot CoreXY Build | Thingiverse Profile

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                      • Kolbiundefined
                        Kolbi
                        last edited by Kolbi

                        @Phaedrux As of thus far, me too. For some reason, it feels a bit to foreign to me to offload stuff from the slicer's start and end code spots. I do plan to slowly start migrating stuff over but only after I have everything else on point.

                        fcwiltundefined Phaedruxundefined 2 Replies Last reply Reply Quote 0
                        • Kolbiundefined
                          Kolbi
                          last edited by Kolbi

                          @Phaedrux For prime line I made a crude random(ish) number generator to not get a 'prime line gutter' on my plates. It gives a numeric swing of 9 to -9.

                          floor(10*(cos(sqrt(sensors.analog[0].lastReading * state.upTime))))
                          

                          So for the prime line, it would be (using Y as an example / with a .1mm randomness, targeted at -2):

                          Before:
                          G1 X0 Z0.6 Y-3.0 F3000.0;
                          
                          After:
                          G1 X0 Z0.6 Y{-2+(0.1*(floor(10*(cos(sqrt(sensors.analog[0].lastReading * state.upTime))))))} F3000.0;
                          

                          So my use is to have the M98 P"0:/sys/PrimeLine.g" called after temps are set and obtained by the slicer's gcode.

                          ;M98 P"0:/sys/PrimeLine.g"
                          ;This sets up the prime to be initiated at a 'randomized' Y positon from -1.1 to -2.9
                          G1 X0 Z0.6 Y{-2+(0.1*(floor(10*(cos(sqrt(sensors.analog[0].lastReading * state.upTime))))))} F3000.0;
                          G92 E0.0
                          G1 Z0.2 X100.0 E30.0 F1000.0 ; prime line
                          G92 E0.0
                          
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                          • fcwiltundefined
                            fcwilt @Kolbi
                            last edited by

                            @Kolbi said in Automatic Bed Leveling with Conditional Gcode Iterations:

                            For some reason, it feels a bit to foreign to me to offload stuff from the slicer's start and end code spots.

                            My goal was to have as little filament related items (like temps) in the slicer since I hoped to avoid going back to the slicer to generate a new gcode file just to change a temp.

                            So far that approach is working for me.

                            YMMV.

                            Good luck.

                            Frederick

                            Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

                            Kolbiundefined 1 Reply Last reply Reply Quote 1
                            • Kolbiundefined
                              Kolbi @fcwilt
                              last edited by

                              @fcwilt That is my eventual goal also, but because from within the slicer - I use inner-slicer variables, that portion would get somewhat lost?
                              I'm slowly brain-storming different ways to skin-the-cat, but as of this moment, it feels like I happen to be dealing with skinning Schrödinger's cat.

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                              • fcwiltundefined
                                fcwilt @Kolbi
                                last edited by

                                @Kolbi said in Automatic Bed Leveling with Conditional Gcode Iterations:

                                @fcwilt I use inner-slicer variables, that portion would get somewhat lost?

                                I have not found that to be a problem - yet. What variables do you use?

                                I'm slowly brain-storming different ways to skin-the-cat, but as of this moment, it feels like I happen to be dealing with skinning Schrödinger's cat.

                                Hard to skin a cat that won't stay in one place.

                                Frederick

                                Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                                • Kolbiundefined
                                  Kolbi
                                  last edited by Kolbi

                                  @fcwilt said in Automatic Bed Leveling with Conditional Gcode Iterations:

                                  What variables do you use

                                  Mostly the temps for hotend and bed.
                                  While I do use the filament option in duet/dwc to get me to the overall-generic temp for the chosen/loaded filament type, I still use the slicer to vary the temps for each different brand/batch of the filament within the choose type range. I'll most likely use the start.g script to do most of the setup and prime line, then the slicer start-gcode could bring the temps to the exact settings, and then start printing. This would simplify switch between slicers and give a one-stop-shop to adjust the starting sequence as needed.

                                  Cheers,
                                  Kolbi

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                                  • fcwiltundefined
                                    fcwilt @Kolbi
                                    last edited by

                                    @Kolbi

                                    Thanks for the info.

                                    I make an filament entry in the DWC for each filament brand/kind/color that I find needs different settings. Currently the settings that I control in the config file for each filament are the temps and the extrusion multiplier.

                                    My goal was to allow using different slicers with as little duplication as possible by moving what I can to the Duet.

                                    In the three slicers I use they each call two macros "print_begin.g" and "print_end.g"

                                    I tried using start.g but it is called before the slicers set temps whereas the locations in the slicer to call "print_begin.g" happen just before the gcode that actually prints the object. So my filament config files get to override any slicer temp settings.

                                    Frederick

                                    Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

                                    Kolbiundefined 1 Reply Last reply Reply Quote 1
                                    • Kolbiundefined
                                      Kolbi @fcwilt
                                      last edited by

                                      @fcwilt All makes sense. I guess it just goes back to cats, preference to work-flow, and ingrained habit.

                                      Cheers,
                                      Kolbi

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                                      • fcwiltundefined
                                        fcwilt @Kolbi
                                        last edited by

                                        @Kolbi said in Automatic Bed Leveling with Conditional Gcode Iterations:

                                        @fcwilt All makes sense. I guess it just goes back to cats, preference to work-flow, and ingrained habit.

                                        Cheers,
                                        Kolbi

                                        I'm a dog person myself. They don't insist on hiding their location. 😉

                                        Frederick

                                        Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                                        • Kolbiundefined
                                          Kolbi
                                          last edited by

                                          @fcwilt Me too - that's why I only talk about skinning cats 😂

                                          1 Reply Last reply Reply Quote 1
                                          • Kolbiundefined
                                            Kolbi
                                            last edited by Kolbi

                                            @fcwilt , @Phaedrux , @bearer
                                            During the day's events, I thought of the above conversations and formulated and blend of both ways (dwc/slicer stop/stop gcodes) to handle filament specific settings. I just made the following setups - all is working very well. It is very basic/generic but will grow from here.
                                            Let me know any thoughts.

                                            /sys/start.g:

                                            ; 0:/sys/start.g
                                            ; Executed before each print - BEFORE ANY SLICER CODE IS RAN
                                            ; This also loads the heightmap from the system's set filament type directory
                                            ; (0:/filaments/XXXX/heightmap.csv), if the heightmap does not exist, it will
                                            ; create one, and then save in the filament's directory. The HotMesh macro is
                                            ; a better choice to generate the heightmap as it performs a heat stabilization
                                            ; routine for ~5 minutes.
                                            
                                            M122                                                       ; Clear diagnostic data to cleanly capture print evolution statistics. 
                                             
                                            T0                                                         ; Ensure the tool is selected.
                                            M280 P0 S160                                               ; BLTouch, alarm release.
                                            G4 P100                                                    ; BLTouch, delay for the release command.
                                            M572 D0 S0.0                                               ; Clear pressure advance.
                                            M220 S100                                                  ; Set speed factor back to 100% in case it was changed.
                                            M221 S100                                                  ; Set extrusion factor back to 100% in case it was changed.
                                            M290 R0 S0                                                 ; Clear any baby-stepping.
                                            M106 S0                                                    ; Turn part cooling blower off if it is on.
                                            M703                                                       ; Execute loaded filament's config.g.
                                            G28                                                        ; Home all.
                                            ;G1 Z5 X100 Y100                                           ; [PINDA] Place nozzle center of the bed, 5mm up.
                                            G1 Z160 F300                                               ; [BLTouch] Last chance to check nozzle cleanliness.
                                            M300 S4000 P100 G4 P200 M300 S4000 P100                    ; Give a double beep.
                                            M116                                                       ; Wait for all temperatures.
                                            M300 S4000 P100                                            ; Give a single beep.
                                            ; [BLTouch] Start countdown - use Z as indicator  
                                            G91                                                        ; [BLTouch] Set to Relative Positioning.
                                            while iterations <=9                                       ; [BLTouch] Perform 10 passes.
                                                G4 S12                                                 ; [BLTouch] Wait 12 seconds.
                                                G1 Z-15 F300                                           ; [BLTouch] Move Z 15mm down.
                                            G90                                                        ; [BLTouch] Set to Absolute Positioning.
                                            ;G4 S120                                                   ; [PINDA] wait an additional 2 minutes for the bed to stabilize.
                                            G32                                                        ; Level the gantry.
                                            G29 S1 [P{"0:/filaments/" ^ move.extruders[0].filament ^ "/heightmap.csv"}] ; Load bed mesh for the system's set filament type.
                                            if result > 1                                              ; If the file doesn't exist, perform mesh and save.
                                               G29                                                     ; Perform mesh now.
                                               G29 S3 [P{"0:/filaments/" ^ move.extruders[0].filament ^ "/heightmap.csv"}] ; Save heightmap.csv to filament type's directory.
                                            
                                            M400                                                       ; Finish all moves, clear the buffer.
                                            G90                                                        ; Absolute Positioning.
                                            M83                                                        ; Extruder relative mode.
                                            M98 P"0:/sys/current-sense-normal.g"                       ; Ensure that motor currents and sense are set for printing. 
                                            G1 X0 Y0 F800                                              ; Final position before slicer's temp is reached and primeline is printed.
                                            G1 Z2 F300                                                 ; Final position before slicer's temp is reached and primeline is printed.
                                             
                                            ; The primeline macro is executed by the slicer gcode to enable direct printing.
                                            ; of the primeline at the objects temp and to immediately print the object.
                                            ; following primeline completion. 
                                             
                                            ; Slicer generated gcode takes it away from here.
                                            

                                            /filaments/PETG/config.g

                                            M300 S1000 P200 G4 P500 M300 S3000 P300          ; play some tones
                                            M140 S75                                         ; set bed temp
                                            M104 S150                                        ; set extruder warm-up temp
                                                                                             ; active temp set from slicer gcode 
                                            
                                            ; Insert additional filament specific settings here
                                            

                                            ideaMaker Start GCode:

                                            ; ideaMaker Start G-Code
                                            
                                            ; Layer height={layer_height}                    ; Pass layer height information to DWC
                                            
                                            ; Set nozzle and bed to the specific temperatures declared within this slicer
                                            M140 S{temperature_heatbed}                      ; Set bed temp
                                            M104 S{temperature_extruder1}                    ; Set extruder temp
                                            M116                                             ; Wait for all temperatures
                                            
                                            ; Run macro to print primeline at a 'randomized' Y position from -1.1 to -2.9
                                            M98 P"0:/sys/primeLine.g"                        ; Primeline macro
                                            
                                            ; Set pressure advance
                                            M572 D0 S0.07                                    ; Set pressure advance
                                            

                                            /sys/primeline.g:

                                            ; 0:/sys/primeline.g
                                            ; Print prime-line at a 'randomized' Y position from -1.1 to -2.9
                                             
                                            ; Charge! tune
                                            M400                                                       ; Finish all moves, clear the buffer.
                                            G4 S1
                                            M300 P200 S523.25
                                            G4 P200
                                            M300 P200 S659.25
                                            G4 P200
                                            M300 P200 S739.99
                                            G4 P250
                                            M300 P285 S880.00
                                            G4 P450
                                            M300 P285 S880.00
                                            G4 P285
                                            M300 P625 S1108.73
                                            G4 S1
                                            M400		
                                            	
                                            G1 X0 Z0.6 Y{-2+(0.1*(floor(10*(cos(sqrt(sensors.analog[0].lastReading * state.upTime))))))} F3000.0;
                                            G92 E0.0                                                   ; Reset the extrusion distance.
                                            G1 E8                                                      ; Purge Bubble.
                                            G1 X60.0 E11.0 F1000.0                                     ; Intro line part 1.
                                            G1 X120.0 E16.0 F1000.0                                    ; Intro line part 2.
                                            G1 X122.0 F1000.0                                          ; Wipe 2mm of filament.
                                            G92 E0.0                                                   ; Reset the extrusion distance.
                                            M400                                                       ; Finish all moves, clear the buffer.
                                            

                                            ideaMaker/S3D/PS End GCode:

                                            ; ideaMaker End G-Code
                                            M400                                             ; Make sure all moves are complete
                                            M0                                               ; Stop everything and run sys/stop.g
                                            

                                            /sys/stop.g:

                                            ; 0:/sys/stop.g
                                            ; Called when M0 (Stop) is run (e.g. when a print from SD card is canceled)
                                            
                                            M83                                                        ; Set extruder to relative mode.
                                            M106 S255                                                  ; Turn the part cooling fan fully on.
                                            M572 D0 S0.0                                               ; Clear pressure advance.
                                            M220 S100                                                  ; Set the speed factor back to 100% incase it was changed.
                                            M221 S100                                                  ; Set the extrusion factor back to 100% incase it was changed.
                                            G1 E-2                                                     ; Retract 2mm of filament.
                                            M104 S-273                                                 ; Turn off the hotend.
                                            M140 S-273                                                 ; Turn off the heatbed.
                                            G1 F1000.0                                                 ; Set feed rate.
                                            M98 P"current-sense-homing.g"                              ; Adjust the current and sensitivity for homing routines.
                                            
                                            ; Let cool and wiggle for bit to reduce end stringing
                                            M300 S4000 P100 G4 P200 M300 S4000 P100                    ; Give a double beep.
                                            G91                                                        ; Set to Relative Positioning.
                                            G1 Z2 F400                                                 ; Move Z axis up 3mm.
                                            
                                            ; Start countdown - use X/Y as indicators of counting  
                                            while iterations <=9                                       ; Perform 10 passes.
                                                G4 S6                                                  ; Wait 6 seconds.
                                                G1 X1 Y1 F1000                                         ; Wiggle +1mm.
                                                G4 S6                                                  ; Wait 6 seconds.
                                                G1 Z0.5 X-1 Y-1 F1000                                  ; Wiggle -1mm, Z +0.5.
                                            
                                            G90                                                        ; Set to Absolute Positioning.
                                            
                                            G1 X220 Y205 Z205 F400                                     ; Place nozzle to the right side, build plate to front, Z at top.
                                            M400                                                       ; Finish all moves, clear the buffer.
                                            M107                                                       ; Turn off the part cooling fan.
                                            M18 YXE                                                    ; Unlock the X, Y, and E axis.
                                            
                                            ; Play a triumphant tune to celebrate a successful print.
                                            G4 S1
                                            M300 P250 S750
                                            G4 P251
                                            M300 P200 S1250
                                            G4 P201
                                            M300 P250 S750
                                            G4 P251
                                            M300 P200 S1250
                                            G4 P201
                                            M300 P250 S2500
                                            G4 P251
                                            M300 P150 S2000
                                            G4 P151
                                            M300 P150 S2500
                                            G4 P151
                                            M300 P350 S3700
                                            G4 P351
                                            M400                                                       ; Finish all moves, clear the buffer.
                                            

                                            Simplify3D Start GCode:

                                            ; Simplify3D Start G-Code
                                            
                                            ; Set nozzle and bed to the specific temperatures declared within this slicer
                                            M140 S[bed0_temperature]                         ; set bed temp
                                            M104 S[extruder0_temperature]                    ; set extruder temp
                                            M116                                             ; wait for all temperatures
                                            
                                            ; Run macro to print primeline at a 'randomized' Y positon from -1.1 to -2.9
                                            M98 P"0:/sys/primeLine.g"                        ; primeline macro
                                            
                                            ; Set pressure advance
                                            M572 D0 S0.07                                    ; set pressure advance
                                            

                                            PrusaSlicer Start GCode:

                                            ; PrusaSlicer Start G-Code:
                                            
                                            ; Set nozzle and bed to the specific temperatures declared within this slicer
                                            M140 S[first_layer_bed_temperature]              ; set bed temp
                                            M104 S[first_layer_temperature]                  ; set extruder temp
                                            M116                                             ; wait for all temperatures
                                            
                                            ; Run macro to print primeline at a 'randomized' Y positon from -1.1 to -2.9
                                            M98 P"0:/sys/primeLine.g"                        ; primeline macro
                                            
                                            ; Set pressure advance
                                            M572 D0 S0.07                                    ; set pressure advance
                                            

                                            Cheers,
                                            Kolbi

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