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Custom Printer and dual extrusion

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Posted · Custom Printer and dual extrusion

Hi,

First of all thanks for the great software.

I have a 3D printer (hellobeeprusa) and I am trying to set it up as dual extrusion in Cura 2.4 beta.

I've created one profile based on the ultimate_dual and changed some settings according to my printer. The issues i am facing now are two:

- when i open cura the bed is not in the middle of the STL picture that i am using of the beeprusa.

but the most important:

- in the log i always get the message

WARNING - cura.Settings.ExtruderManager.getMachineExtruders [375]: Tried to get the extruder trains for machine Custom Beeprusa Dual Extrusion, which doesn't exist.

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Posted · Custom Printer and dual extrusion

The extruder file i did

{

"id": "hellobeeprusa_dual_1st",

"version": 2,

"name": "Extruder 1",

"inherits": "fdmextruder",

"metadata": {

"machine": "hellobeeprusa_dual",

"position": "0"

},

"overrides": {

"extruder_nr": {

"default_value": 0,

"maximum_value": "1"

},

"machine_nozzle_offset_x": { "default_value": 0.0 },

"machine_nozzle_offset_y": { "default_value": 0.0 },

"machine_extruder_start_pos_abs": { "default_value": true },

"machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },

"machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },

"machine_extruder_end_pos_abs": { "default_value": true },

"machine_extruder_end_pos_x": { "value": "prime_tower_position_x" },

"machine_extruder_end_pos_y": { "value": "prime_tower_position_y" }

}

}

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Posted · Custom Printer and dual extrusion

and the profile

{

   "id": "hellobeeprusa_dual",

   "version": 2,

   "name": "Custom Beeprusa Dual Extrusion",

   "inherits": "fdmprinter",

   "metadata": {

       "visible": true,

       "author": "na",

       "manufacturer": "na",

       "category": "Other",

       "file_formats": "text/x-gcode",

       "icon": "icon_ultimaker.png",

       "platform": "hellobeeprusa_platform.stl",

       "has_materials": true,

       "machine_extruder_trains":

       {

           "0": "hellobeeprusa_dual_1st",

           "1": "hellobeeprusa_dual_2nd"

       },

       "first_start_actions": ["UMOUpgradeSelection", "UMOCheckup", "BedLevel"],

       "supported_actions": ["UMOUpgradeSelection", "UMOCheckup", "BedLevel", "UpgradeFirmware"]

   },

   "overrides": {

       "machine_name": { "default_value": "Hellobeeprusa Dual" },

       "machine_width": {

           "default_value": 185

       },

       "machine_height": {

           "default_value": 190

       },

       "machine_depth": {

           "default_value": 200

       },

       "machine_center_is_zero": {

           "default_value": false

       },

       "machine_nozzle_size": {

           "default_value": 0.4

       },

       "machine_nozzle_heat_up_speed": {

           "default_value": 2

       },

       "machine_nozzle_cool_down_speed": {

           "default_value": 2

       },

       "machine_use_extruder_offset_to_offset_coords": {

           "default_value": true

       },

       "machine_gcode_flavor": {

           "default_value": "RepRap (Marlin/Sprinter)"

       },

       "machine_start_gcode": {

           "default_value": "-- START GCODE --\nG21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG28 X0 Y0 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstops\nG1 Z15.0 F9000 ;move the platform down 15mm\nT1 ;Switch to the 2nd extruder\nG92 E0 ;zero the extruded length\nG1 F200 E6 ;extrude 6 mm of feed stock\nG92 E0 ;zero the extruded length again\nG1 F200 E-{switch_extruder_retraction_amount}\nT0 ;Switch to the 1st extruder\nG92 E0 ;zero the extruded length\nG1 F200 E6 ;extrude 6 mm of feed stock\nG92 E0 ;zero the extruded length again\nG1 F9000\n;Put printing message on LCD screen\nM117 Printing... ; -- end of START GCODE --"

       },

       "machine_end_gcode": {

           "default_value": " -- END GCODE --\nM104 T0 S0 ;1st extruder heater off\nM104 T1 S0 ;2nd extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG91 ;relative positioning\nG1 E-1 F300  ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+0.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more\nG28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning; -- end of END GCODE --"

       },

       "machine_extruder_count": {

           "default_value": 2

       },

       "prime_tower_position_x": {

           "default_value": 195

       },

       "prime_tower_position_y": {

           "default_value": 149

       }

   }

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