miracle.config

 {
    "infillDensity" : 0.1,  // unit: ratio to solid
    "numberOfShells" : 2, //Number of shells to print
    "insetDistanceMultiplier" : 0.97,  // unit: layerW // how far apart are insets from each other
    "infillShellSpacingMultiplier" : 0.70, // ratio of the layer width distance between innermost shell and infill
    "roofThickness" : 1.2, // thickness of roof
    "floorThickness" : 1.0, // thickness of floor
    "roofLayerCount_disabled" : 4,  // nb of solid layers for roofs, overrides roof thickness
    "floorLayerCount_disabled" : 4, // nb of solid layers for floor, overrides floor thickness
    "layerWidthRatio" : 1.482,  //Width over height ratio
    "layerWidthMinimum" : 0.40, //layers cannot be narrower than this, regardless of width ratio and height
    "layerWidthMaximum" : 0.85,  //layers cannot be wider than this, regardless of with ratio and height
    "preCoarseness" : 0.1, //coarseness before all processing
    "coarseness" : 0.05, // moves shorter than this are combined
    "directionWeight" : 0.5, 
    "gridSpacingMultiplier" : 0.99, 

    "doExternalSpurs" : true,
    "doInternalSpurs" : false,
    "minSpurWidth" : 0.12, // 0.3 * default layer width
    "maxSpurWidth" : 0.4, // default layer width plus 0.2
    "minSpurLength": 0.4,
    "spurOverlap" : 0.001, // how far to extend spur segments to make them intersect    
    
    "minLayerDuration" : 12.0, //layers must take at least this many seconds
    "minSpeedMultiplier" : 0.3, //Don't slow to less than this fraction of original speed
      
    //how fast to move when not extruding
    "rapidMoveFeedRateXY" : 100, // mm/sec
    "rapidMoveFeedRateZ" : 23, //mm/sec
      

    "doRaft" : true,
    "raftLayers" : 3, // nb of raft layers (optional)
    "raftBaseThickness" : 0.6, // thickness of first raft layer
    "raftInterfaceThickness" : 0.27, // thickness of other raft layers
    "raftOutset" : 6,  // distance to outset rafts
    "raftModelSpacing" : 0.25, // distance between topmost raft and bottom of model
    "raftDensity" : 0.25, 
    "raftAligned" : true, 

    "doSupport" : false, //whether or not to build support structures
    "supportMargin" : 2.5, //distance between sides of object and the beginning of support: mm
    "supportDensity" : 0.15,

    "bedZOffset" : 0.0, //Height to start printing the first layer
    "layerHeight" : 0.27,  //Height of a layer

    //assumed starting position after header gcode is done
    "startX" : -110.4,
    "startY" : -74.0,
    "startZ" : 0.2,

    "startGcode" : "", // gcode to insert at beginning of output
    "endGcode" : "", // gcode to insert at end of output
    
    "doPrintProgress" : true, // display % complete on bot
    
    "doFanCommand" : true, 
    "fanLayer" : 3, 

    "defaultExtruder" : 0,

    "commentOpen" : ";",
    "commentClose" : "",
    "weightedFanCommand" : -1,

    "extruderProfiles" : [ //configuration values for each extruder
      {"firstLayerExtrusionProfile": "firstlayer",  //extrusion profile for the first layer
       "insetsExtrusionProfile" :  "insets", //extrusion profile for the perimeters and insets
       "infillsExtrusionProfile" : "infill",  //extrusion profile for infill
       "outlinesExtrusionProfile" : "outlines",  //extrusion profile for outlines
       "feedDiameter" : 1.77, //diameter in mm of feedstock
       "feedstockMultiplier" : 0.77, //print goodness number
       "nozzleDiameter": 0.4,
       "retractDistance" : 1, // mm 
       "retractRate" : 20, // mm/sec
       "restartExtraDistance" : 0.0 // mm
      },
      {"firstLayerExtrusionProfile" : "firstlayer",  //extrusion profile for the first layer
       "insetsExtrusionProfile" :  "insets", //extrusion profile for the perimeters and insets
       "infillsExtrusionProfile" : "infill",  //extrusion profile for infill
       "outlinesExtrusionProfile" : "outlines",  //extrusion profile for outlines
       "feedDiameter" : 1.77, //diameter in mm of feedstock
       "feedstockMultiplier" : 0.77, //print goodness number
       "nozzleDiameter": 0.4, // mm
       "retractDistance" : 1, // mm 
       "retractRate" : 20, //mm/sec
       "restartExtraDistance" : 0.0 // mm
      }
   ],
   "extrusionProfiles": { // altered extrusion values for different situations, referenced by the extruder
        "insets": {
	    "temperature" : 220.0,  //temperature in C
            "feedrate": 80 // mm/sec feedrate while extruding
        },
        "infill": {
	    "temperature" : 220.0,  //temperature in C
            "feedrate": 80 //mm/sec
        },
        "firstlayer": {
	    "temperature" : 220.0,  //temperature in C
            "feedrate": 40 //mm/sec
        },
        "outlines": {
	    "temperature" : 220.0,  //temperature in C
            "feedrate": 40 //mm/sec
        }
    }
}