The present invention relates to a process for manufacturing an article (1) comprising a sheet (2) and at least one element (4) having a certain thickness, comprising the following steps: providing a sheet (2) with at least one cavity (3) open on one side; placing said element in this cavity (3) by applying, to said side, a structure (5) comprising at least one layer carrying the element, said structure being positioned with respect to the sheet (2) so that the element (4) is at least partly housed in the cavity (3).