This image shows the comparison of our method with two methods used in the past. We use fewer triangles to represent the models without any loss in visual quality of the image The first picture is a tessellation produced by Rockwood et.al's method. The second picture is produces using Abi-Ezzi et.al.'s method and the third picture is produced using our method. The number of triangles in the three pictures are about 700, 600 and 500 respectively.