diff --git a/include/glumodel.h b/include/glumodel.h
index e2eecba..d0cba97 100644
--- a/include/glumodel.h
+++ b/include/glumodel.h
@@ -33,21 +33,17 @@
 
 class Fractal : public GenericModel {
  public:
-  float iters;
+  int iters;
   float len;
-  float multiplicity;
-  float mult_angle;
   Fractal();
-  void init(float _iters, float _len);
+  void init(Vec pos, Material m, int _iters, float _len);  
 };
 
-class SierpinskiPyramid : public GenericModel {
+class SierpinskiPyramid : public Fractal {
 	private:
-		int iter;
-		std::vector<Poly*> faces;
 		GLuint list;
 	public:
-		SierpinskiPyramid(Vec p, float l, int n);
+		SierpinskiPyramid(Vec p, int iters, float len);
 		void construct(int n);
 		void draw();
 		void drawPyramid();
@@ -57,7 +53,10 @@
 
 class KochFractal : public Fractal {
  public:
-  KochFractal();
+  float multiplicity;
+  float mult_angle;
+
+  KochFractal(Vec pos, int iters, float len);
   //TODO: move draw function to Fractal class, it's common for all 
   //inheriting fractals....
   void draw();
diff --git a/sources/glumodel.cpp b/sources/glumodel.cpp
index 2517615..7db0cd6 100644
--- a/sources/glumodel.cpp
+++ b/sources/glumodel.cpp
@@ -52,35 +52,26 @@
 }
 
 Fractal::Fractal() {
-  init(4, 30);
+  init(Vec(0,0,0), Material(), 4, 30);
 }
 
-void Fractal::init(float _iters, float _len) {
+void Fractal::init(Vec _pos, Material _m, int _iters, float _len) {
+  GenericModel::init(_pos, _m);
   iters = _iters;
-  len = _len / (iters*iters*iters);
-
-  //arbitrary values, to be reset
-  //used to draw several instances of same fractal
-  multiplicity = 1; 
-  mult_angle = 90;
+  pos = _pos.clone();
+  len = _len;
 }
 
-SierpinskiPyramid::SierpinskiPyramid(Vec _pos, float _len, int _iter) {
-	iter = _iter;
-	scale = _len;
-	pos = _pos.clone();
-	rot = new Vec(0,0,0);
-
-	buildList();
+SierpinskiPyramid::SierpinskiPyramid(Vec _pos, int _iters, float _len) {
+  Fractal::init(_pos, Material(), _iters, _len);
+  rot = new Vec(0,0,0);
+  buildList();
 }
 
 void SierpinskiPyramid::buildList() {
-
 	list = glGenLists(1);
 	glNewList(list, GL_COMPILE);
-
 	drawPyramid();
-
 	glEndList();
 }
 
@@ -162,7 +153,6 @@
 }
 
 void SierpinskiPyramid::draw() {
-
 	glPushMatrix();
 
 	/* rotate SierpinskiPyramid */
@@ -174,18 +164,18 @@
 	glTranslatef(pos->x(), pos->y(), pos->z());
 
 	/* scale it to the desired length, width and height */
-	glScalef(scale, scale, scale);
+	glScalef(len, len, len);
 
 	/* draw it */
-	construct(iter);
+	construct(iters);
 
 	glPopMatrix();
 }
 
 SierpinskiPyramid::~SierpinskiPyramid ( ) { }
 
-KochFractal::KochFractal() {
-  Fractal::init(3, 30);
+KochFractal::KochFractal(Vec _pos, int _iters, float _len) {
+  Fractal::init(_pos, Material(), _iters, _len / (_iters*_iters*_iters));
   multiplicity = 6;
   mult_angle = 60;
 }
diff --git a/sources/main.cpp b/sources/main.cpp
index 96c1a2b..e842b42 100755
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -244,8 +244,10 @@
 						Material(Color(1,1,0)),
 						50);
 
-	//KochFractal myfrac = KochFractal();
-	SierpinskiPyramid* myfrac = new SierpinskiPyramid(Vec(0,0,0), 30, 6);
+	KochFractal* kochfrac = new KochFractal(Vec(0,0,0), 3, 30);
+
+	SierpinskiPyramid* myfrac = new SierpinskiPyramid(Vec(0,0,0), 4, 30);
+
 	//myfrac.setCenter(myCen);
 	//myfrac.setMaterial(Color(1,0,1), Color(1,0,1));
 	//myfrac.setPosition(myCen);
@@ -548,6 +550,7 @@
 		//mysphere.draw();
 
 		myfrac->draw();
+		kochfrac->draw();
 
 		//draw cube
 		//cube->draw();