These placeholders are substituted with the correct value upon slicing. As you know, before a print, Cura start GCode resets the extruder, moves it to the side, draws a line, moves it over and draws another before printing. GitHub Gist: instantly share code, notes, and snippets. If you add a line T1 in start.gcode to select extruder 2 it is not working right, because Cura export gcode sets extruders and bed temperatures before start.gcode! Cura 15.06 removed the ability to manually add start/end GCode in the GUI, but you can still do it by editing the machine specific .json file for your printer which includes separate lines for start/end gcode concatenated onto a single line with line breaks "\n" between statements. Start and End G-code for Ender 5 on Cura. START.GCODE. There is a tab for Extruder1 and Extruder2 in Machine settings but if I edit the start code in one of these tabs, it has no effect on the generated gcode. GitHub Gist: instantly share code, notes, and snippets. GitHub Gist: instantly share code, notes, and snippets. Start G-Code This way, the extruder value will be loaded each time you start a new print. The issue is that as it travels from home to the side of the bed, it start to dribble filament at a diagonal. I think that start.gcode should always be the first code in final gcode. Mega X Start G-code G21 ;metric values G90 ;absolute positioning M82 ;set extruder to absolute mode M107 ;start with the fan off G28 X0 Y0 ;move X/Y to min endstops G28 Z0 ;move Z to min endstops G1 Z15.0 F{speed_travel} ;move the platform down 15mm G92 E0 ;zero the extruded length G1 F200 E3 ;extrude 3mm of feed stock G92 E0 ;zero the extruded length again G1 F{speed_travel} M117 ⦠I have updated my startup g-code to incorporate several functions that I want to use on every print. At a minimum, the extruder and heated bed (if applicable) need to be set to proper temperatures and the tool head needs to be homed. Anet A8 start end gcode. The purpose of the start.gcode script is to prepare the 3D printer for producing the desired object. Cura, and most slicers, have the ability to use placeholders (basically variables or maybe better: constants). on finish: extend bed forward for easy model removal. In Cura (see attached file), I have found them unnecessary. salfterm, these two lines from your Start code caught my attention: M190 S[first_layer_bed_temperature] ; wait for bed temp M109 S[first_layer_temperature] ; wait for extruder temp. I am trying to set up the machine settings for my BigBox Dual. Start and End G-code for Ender 5 on Cura. prime and wipe extruder. Cura 15.06. Start G-Code¶. run fan for 8 minutes, then turn off. So it heats extruder 1 instead of 2. Get current extruder steps. cura will insert preheat code before start code. The default g-code that ships with the Prusa profiles for Ultimaker Cura works just fine, but I found myself wanting to tweak a few things to my liking. turn the fan on. 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