Abstract: An assembly element for enabling an adjustable assembly of a decorative element, such as a decorative plate, having a housing capable of containing an electronic apparatus, such as a computer, said assembly element comprising at least one means for attachment onto the outer surface. The assembly element comprising a first securing element capable of enabling the securing of the assembly element to the decorative element, said assembly element also having a second securing element capable of engaging with the at least one attachment means such as to enable the securing of the assembly element to the housing while maintaining a constant spacing between the assembly element and the housing.