The article presents experiences of the authors from the research and development project titled: "Study of orthopaedic seats, particularly for children and teenagers with paralysis and paresis (triplegia, tetraplegia, diplegia, hemiplegia or crossed hemiplegia)". The study presents the design approach of the team of designers from the Strzemiński Academy of Arts in Lodz and selected solutions which will be implemented by LIW Care Technologya company that produces wheelchairs for children with cerebral palsy.