A thickening system for aqueous medium, which can be used in the fields of cosmetics, dermatology or hygiene, comprising at least one amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit, and at least one protein. Examples of electronic structures which can be modeled by the system and method of the invention include leadframes, packages, complete devices, and electronic devices assembled on motherboards. Cases of one of the groups can be assigned to locations within a pallet layer, wherein the pallet layer has an area within a predefined area range.