In part 3 of the SSD drive series, we uv map part of the object to help produce a metallic band material.
Part 1 is here: https://www.strata.com/university/tutorials/modeling-an-ssd-drive-type-object
Part 2 is here: https://www.strata.com/university/tutorials/an-ssd-drive-type-object-part-2-lighting