Implementation of the paper "Surface Simplification Using Quadric Error Metrics" by Michael Garland and Paul S. Heckbert [http://www.cs.cmu.edu/~garland/Papers/quadrics.pdf]
Original (TriangleMesh with 600 points and 1200 triangles):
Ratio 50% (TriangleMesh with 300 points and 600 triangles):
Ratio 30% (TriangleMesh with 180 points and 360 triangles):
Ratio 10% (TriangleMesh with 60 points and 120 triangles):
