The project focuses on evaluating hip width deformation when sitting in a truck seat using 3D scanning technology. The aim includes conducting user tests to study hip width and buttock shape, analyzing data on hip width deformation, and developing guidelines for vehicle seat cushion design. By proceeding with a user test, qualitative and quantitative data were obtained, regarding the seat width of three different variants, where scans were done in the different postures taken.
The user test was designed to keep the participants comfortable during the entire process, several tasks and questions were asked to them, making use of a Volvo truck cabin, truck seat foam variants and a handheld 3D scanner.
After analyzing the data obtained, few trends were found in the data that limited the conclutions of the results. However, the results indicate a difference in the deformation when sitting in a soft seat for male and for women. In addition, the results from the subjective evaluation reveal that most people want a soft seat that is relatively larger than their hip breadth. This study serves as guidance for next possible continuations, as redesign guidelines can be taken for future truck seat design and the user test measurements and files can be used for future evaluations in body shape deformation when sitting on seats with different size, shape and material.