Another relevant field of AR technology application is the as- sembly process: two main phases - such as the assembly Product Design and Planning (PDP) and assembly Workplace Design and Planning (WDP) currently represent the main field of AR appli- cation. The first one mainly affects the assembly process design, e.g. in terms of activity and sequence definition; the latter mainly affects work place design and layout. Several studies focused on analysing how AR technologies could support faster product design by introducing simultaneously physical constraints due to work- place layout.