For anyone who will be using their KlearKase periodically, requiring multiple assemblies, there is no need to be concerned about unintentionally mixing the order of pieces being assembled. (a caution from the manufacturer) I noticed that each piece is stamped on the curved part of the plastic with its corresponding position on the case. For example, "LB" (left bottom), "RT" (right top), and the two obvious bottom pieces with "L" and "R."
I was about to label these myself when I made the discovery. Brilliant.