http://en.wikipedia.org/wiki/Koch_snowflake#Variants_of_the_Koch_curve 90deg one

kochVariant1.pde

/*
  jan 27, 2015
 */
 
void setup() {
  size(243,243);
  background(255);
}
void draw() {
  stroke(0);
  pushMatrix();
  translate(0, 2*height/3);
  iterate(width, 5); // looks bad after this
  popMatrix();
}

void iterate(int len, int iteration) {
  if (iteration == 1) {
    line(0, 0, len, 0);
  } else {
    int oneThird = (int)(len/3);
    int twoThirds = 2*oneThird;
    PVector start_p = new PVector(oneThird, 0);
    PVector start_2p = new PVector(oneThird, -1*oneThird);
    PVector start_3p = new PVector(twoThirds, -1*oneThird);
    PVector start_4p = new PVector(twoThirds, 0);

    iterate(oneThird, iteration-1);

    pushMatrix();
    translate(start_p.x, start_p.y);
    rotate(-PI/2);
    iterate(oneThird, iteration-1);
    popMatrix();

    pushMatrix();
    translate(start_2p.x, start_2p.y);
    iterate(oneThird, iteration-1);
    popMatrix();

    pushMatrix();
    translate(start_3p.x, start_3p.y);
    rotate(PI/2);
    iterate(oneThird, iteration-1);
    popMatrix();

    pushMatrix();
    translate(start_4p.x, start_4p.y);
    iterate(oneThird, iteration-1);
    popMatrix();
  }
}

http://i57.tinypic.com/2v989dc.jpg MUTHAFUCKA