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G4 ; wait
M221 S100
M106 S0 ; turn off cooling fan
M104 S0 ; turn off extruder
M140 S0 ; turn off bed
G91
G1 F1800 E-3
G90
{if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+30, max_print_height)}{endif} ; Move print head up
G28 X0 ; home x and y axis

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M117 Heating... ;Put printing message on LCD screen
M300 S2500 P100; Beep
M204 T1250 ; sets acceleration (P, T) and retract acceleration (R), mm/sec^2
M221 S{if layer_height<0.075}100{else}100{endif} ; Set flow
M104 S140 ; set extruder temp
M140 S[first_layer_bed_temperature] ; set bed temp

;G1 Z50 ; this is a good start heating position
G28 X Y; Home X Y
G1 Y10 ; this is a good start heating position

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function makeMatrixFromVec2(x, y) {
  return [
    x, 0, 0,
    0, y, 0,
    0, 0, 0
  ];
}

function makeVec2FromMatrix3(mat3) {
  return {

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var stream = require('stream')
var liner = new stream.Transform({objectMode: true})

liner._transform = function(chunk, encoding, done){
	var data = chunk.toString();
	if (this._lastLineData){ 
		data = this._lastLineData + data;
	}
	
	var lines = data.split('\n');