GMU:Wild Type/Carolin

   void setup() {
     size(400, 400);
   }
   void draw() {
     
     int gap = 40;
     int pos1 = 100;
     int pos2 = 300;
     int pos3 = 100;
     int thickness = 5;
     
     background(249)  ;
     stroke(0);
     strokeWeight (thickness);
     line(pos1, gap, pos1, 400 - gap);
     line(pos2, gap, pos2, 400 - gap);
     line(pos3, gap, pos2, 400 - gap);
   }