Better-er Spheres, Fewer-er Triangles

Series index: Part I (this post) , Part II , Part III Back in 2009 I wrote a post about icospheres . It ended, “To be completed….” Completing it now. The case for icospheres § It might be easier for us thinkmeats to imagine UV spheres : globes with latitudes and longitudes. But for silicon, or at least rasterizing * GPU s, an icosahedron better approximates a sphere with fewer triangles (20 to be…