The content of this thesis is the design of an upholstered armchair. The starting point of the design is the theoretical part, which primarily contains general requirements for dimensions, construction and safety. The practical part of the thesis discusses the design procedure of the product with regard to the information of the theoretical part. The procedure described is supplemented with drawings and visualizations. Subsequently, the production process is recorded with the description of the whole construction process. The final draft is presented using photographs of a 1:1 model and visualizations of the element in the interior. In conclusion, the entire element is evaluated in terms of use in practice