An apparatus for detecting a 3D structure of an object. The tool implements a method that includes indicating to a user items that are potentially required for providing a whole product associated with a generic product. are satisfying the following conditions:\u03b11<\u03b12\u03b12\u2212\u03b11\u22669\xd710\u22126\xb0 C. Foam is thus introduced into the mould, between the support element and the covering, under the predetermined conditions, in order to connect the covering and the support element. and then sets a frequency of a channel determined as having-no-channel to an RF modulating circuit.