You may have noticed in the 3D visualization world there has always been teapots used to test renders or textures. A teapot also made a cameo appearance in Pixar’s Toy Story movie in the tea party scene.
…A teapot primitive is considered the equivalent of a “hello world” program, as a way to create the easiest 3D scene with a somewhat complex model acting as basic geometry reference for scene and light setup…
taken from ‘All Things Autodesk + Technology’ Shaan Hurley
See article ->From Polygons to Voxels to LEGO : A Utah Teapot