Chapter 11 Programs: vertices.js: three versions of the data vertex data patches.js: teapot patch data teapot1: wire frame teapot by recursive subdivision of Bezier curves teapot2: wire frame teapot using polynomial evaluation teapot3: same as teapot2 with rotation teapot4: shaded teapot using polynomial evaluation and exact normals teapot5: shaded teapot using polynomial evaluation and normals computed for each triangle