Cura/resources/extruders/eryone_er20_extruder_0.def.json

{
    "version": 2,
    "name": "Extruder 1",
    "inherits": "fdmextruder",
    "metadata": {
        "machine": "eryone_er20",
        "position": "0"
    },

    "overrides": {
        "extruder_nr": { 
		    "default_value": 0 
		},
        "machine_nozzle_size": { 
		    "default_value": 0.4 
		},
        "material_diameter": { 
		    "default_value": 1.75 
		},
		"machine_nozzle_offset_x": {
		    "default_value": 5
		},
        "machine_nozzle_offset_y": {
		    "default_value": 8.0
		}
	}
}