Svg created have no proper path

Processing Libraries
1

Hi, I’m trying to create a proper path from shapes.
I would like to use the svg as path for my pen plotter (here Axidraw).
The svg file opened in inkscape made has a deepness and is doubled for every line.
How can I simplify ?
Here’s the creater svg code :

ArrayList<Cuber> cubs = new ArrayList<Cuber>();
import processing.svg.*;
boolean record;
void setup() {
  size(360, 240, P2D);
  for (int i=0; i<2; i++) cubs.add(new Cuber(120+i*124, 120, 60));
}
void draw() {
  if (record) beginRaw(SVG, "output.svg");
 background(220);
  stroke(0);
  strokeWeight(1);
  noFill();
  for (Cuber c : cubs) c.display();
  if (record) {
    endRaw();
    record = false;
  }  
}
void keyPressed() {
  if (key == 'r') {
    record = true;
    print("svg saved");
  }
}

The class :

class Cuber {
  int x, y;
  PVector ray, center;
  PVector[] pts = new PVector[6];
  Cuber(int x, int y, int r) {
    this.x = x;
    this.y = y;
    ray = new PVector(0, r);
    center = new PVector(0, 0);
    for (int i=0; i<pts.length; i++) pts[i] = center.copy().add(ray).rotate((PI/3.0)*i);
  }
  void display() {
    pushMatrix();
    translate(x, y);
    beginShape();
    for (int i=0; i<pts.length; i++) vertex(pts[i].x, pts[i].y);
    endShape(CLOSE);
    popMatrix();
  }
}
2

Ok, I found, I just need to replace

beginRaw() by beginRecord()
and endRaw() by endRecord()
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